Answer:
Nucleic Acids
Explanation:
Nucleic acids are made out of nucleotides and they come in two forms: Deoxyribonucleic Acid (DNA) and Ribonucleic Acid (RNA). DNA holds the code of life, in other words, it holds the code for making proteins that are essential in building cells, tissues, and organs. DNA is found in the nucleus of a cell.
Where is the diaphragm located? between the ribs inside the lungs below the lungs above the ribs
Answer:
below the lungs above the ribs
Explanation:
The diaphragm is a thin skeletal muscle that is located at the base of the chest.
This muscle contracts and flattens when one inhales, this in turn creates a vacuum that pulls air into the lungs.
The muscle relaxes when one exhales and the air is pushed out of lungs.
The diaphragm separates the abdomen from the chest.
The above process is known as breathing.
This is what causes the chest to move up and down.
Answer:
It would be located under the lungs,A good trick to remember this is to take a deep breath and feeling below where your ribs end
Explanation:
What species consists of four blood types: A, B, AB, & O?
A) chimpanzee
B) dog
C) frog
D) human
i would have to say D human as its the most common ive herd of for the human race
hope this helps
You are studying plant physiology and want to compare the energy used during cellular respiration for plants in tundras at varying longitudes. However, you do not have the funding to travel to multiple tundras and actually measure plant respiration. Instead, you decide to gather previously published data in order to arrive at an accurate average.You find very few data on plant respiration in tundra, but lots of data on their gross primary production. What would be the most logical next step towards estimating the energy used in cellular respiration?
Answer:
Find Net Primary Production of tundra plants
Explanation:
Gross primary production (GPP) is the total amount of energy traped from the sunlight. It is a chemical energy that plants (primary producers) create as a biomass. One part of this energy is used for the process of cellular respiration, while the rest is known as net primary production (NPP). NPP is the measure of energy gain in plants or the rate at which the plants produce useful energy. It can be calculated:
NPP = GPP - cellular respiration
Simply saying, NPP is the difference between total trapped carbon (from the photosynthesis) and carbon that is lost (through the cellular respiration).
All foods contain chemical energy, but the amount of chemical energy is dependent of the type of food. The larger the compound, the more chemical bonds present and the greater amount of available chemical energy. We can rank molecule size, from smallest to largest, as sugar, starch, fat. We refer to the stored chemical energy in foods as calories. A calorie is the amount of energy required to raise the temperature of 1 gram of water 1 degree Celsius. When we refer to the calories in food, we are really talking about kilocalories or 1000 calories. Biology students "burned" 2 grams of food to heat water in a calorimeter in order to determine which food items contain the most usable chemical energy. Each group picked two food items to burn. One group chose a saltine and a chip. They hypothesized that the chip with produce a greater change in water temperature when burned. Here is the data they collected.
Answer:
B
Explanation:
The original hypothesis is correct because the chip also contains lipids, which are larger macromolecules. The saltine contains flour. The chip contains potato. Both are starches but the chip also contains fats or lipids, which are larger macromolecules with more potential chemical energy when burned
As per the given scenario, the chip contains more lipids than the saltine. The correct option is A.
What is chemical composition?The arrangement, kind, and ratio of atoms in chemical substance molecules are referred to as chemical composition.
When chemicals are added to or removed from a substance, when the ratio of substances changes, or when other chemical changes take place in chemicals, the composition of the substance changes.
All foods have chemical energy, however the amount varies depending on the food's kind. More chemical bonds and more chemical energy are present in larger compounds since they include more of them. From smallest to largest, we can order molecules by size: sugar, starch, and fat.
With a staggering 9 calories per gram, fat is the macronutrient that offers the most energy. Because of this, a little serving of a fatty dish or condiment might contain a lot of calories.
Thus, the correct option is A.
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Your question seems incomplete, the probable complete question is:
How can you explain this differences in terms of chemical composition? A) The chip contains more lipids than the saltine. B) The saltine is a carbohydrate; the chip is a lipid. C) The saltine has less protein content than the chip. D) The chip is composed of starch; the saltine of simple sugars.
Which learning disorder affects approximately 4 to 10 percent of the population?
Dyslexia is the answer
A hill in the rain forest was once completely covered with trees. A logging company cut down all of the trees. Which is a form of environmental degradation that will MOST likely result because of the cutting down of trees?
Hey there! Thanks for posting your question to Brainly®! Here's my full explanation and answer for you. Hope it helps you out!
Answers:
Loss of biodiversity, Climate change, Loss of soil fertility, FloodingExplanation:
Loss of biodiversity- According to National Geographic, 80% of the world’s plants and animals live in forests, and many cannot live elsewhere. With so many of the world’s plants and animals live in forests, that a significant reduction in that habitat, whether tropical rainforest or northern evergreen forest has an impact on biodiversity. Worse, many endangered plants and animals live only in a certain kind of forest habitat. Those species can be lost entirely or can become extinct in the wild very easily.
Climate change
- Cutting down the trees also removes a mechanism to regulate the temperature in forested areas. Hotter days and cooler nights put additional strain on the remaining plants and animals. Growing trees trap a good deal of carbon dioxide. That function cannot be fully replaced by planting single crops, like soy or hemp. The plants are good at holding moisture, trees in particular. Without forest cover, deserts can advance and push out remaining plants and animals.
Loss of soil fertility
-Forested land can be attractive for agriculture because it seems so fertile. In fact, this often isn’t so. The seeming fertility of a rainforest depends on the complex relationships between a variety of plant species. Clearing an area to plant soy or hemp just exposes soil that is high in nutrients at first. After a few growing seasons, the soil is exhausted and the farmers move on. The trees and brush in a forest help prevent soil from running off into lakes and rivers and polluting them.
Flooding
- Forests absorb heavy rains that otherwise could run directly into rivers and streams. After a storm, or after several rainy days, a local river can rise to flood stage, even with forests taking up much of the water. Without greatly reduced forest cover comes greatly increased runoff and flooding. Because so much of the world’s population lives along rivers, indiscriminate cutting and burning of forests can be a real threat to lives and property downstream.
You can read more about Deforestation and the aftermath at this website:
https://blog.arcadiapower.com/causes-effects-deforestation/
Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. Because of this, we would expect osteoblasts to contain numerous A) nuclei. B) ribosomes. C) lysosomes. D) Golgi bodies.
The answer would be B. as ribosomes are in charge of translating mRNA to polypeptides and thus proteins. (In this case osteoid and various hormones)
Answer:
ribosomes
Explanation:
Ribosomes are the structures present within the cell that are responsible for the protein synthesis to take place.These structures provide the catalytic site for the rRNA to direct protein synthesis. Since it is given that the osteoblasts are responsible for manufacturing many proteins and hormones, these osteoblasts must be rich in ribosomes as they are involved in the process of protein synthesis.Which division of the human peripheral nervous system is responsible for maintaining body temperature?
The somatic division
The motor division
The sympathetic division
The autonomic division
The sympathetic division is the correct answer
Answer:
Sympathetic Division
Explanation:
The principle of competitive exclusion means that A) niche subdivision can occur. B) a niche can be shared by two species. C) competing species cannot share a niche. D) a niche will evolve to support two species.
Answer:
C
Explanation:
When two species share a common niche, then one is bound to exclude the other. This is due to the stiff competition for resources. The species with a slight advantage in acquiring the resources will edge out the other species from the environment. This has been demonstrated by George Gauss using two Paramecium species grown in the same media in the lab. P. aurelia outcompetes P. caudatum
Offspring that result from crosses between true-breeding parents with different traits are called
Offspring that result from crosses between true-breeding parents with different traits are called hybrids.
Offspring from crosses between true-breeding parents with different traits are called hybrids. These hybrids contain a mix of traits from both parents, leading to genetic diversity in populations.
Explanation:Offspring that result from crosses between true-breeding parents with different traits are called hybrids according to genetic terminology. In the field of genetics, a true-breeding organism is one that, when self-fertilized, only produces offspring with the same traits. The differing traits of the parents are combined in a unique way in the hybrid offspring.
For example, a true-breeding plant with red flowers crossed with a true-breeding plant with white flowers might produce hybrid offspring with pink flowers. This helps in building diversity in plant and animal populations.
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Which of the following contains multiple gymnosperm ovules?megasporangium,megaspore,integument, orovulate cone
Answer:
ovulate cone
Explanation:
Ovulate cone or a female cone is an organ in the conifera with the reproductive role. Because it contains reproductive structures cone can be either male (produce pollen) or female (produce seeds).
The female cone is also called megastrobilus. It is characteristic in structure, because of its woody appearance. It produces multiple ovules, which after the fertilization (by pollen) become seeds.
What type of species, if removed from the community, could lead to the collapse of the entire community? what type of species, if removed from the community, could lead to the collapse of the entire community? keystone species flagship species endemic species indicator species?
Answer:KEYSTONE SPECIES
Explanation:
the ecosystem would be extremely different without the key stone specie or cease to exist complete .
Basically a keystone specie is a specie that helps define an ecosystem and if the specie was to die or cease to exist no other specie can take its place and the ecosystem will have to change radically and it'll be forced to introduce a whole a new habitat because the keystone specie has a huge influence on the food web
EXAMPLE :
A keystone specie could be any specie ranging from plants to fungi
Which of these statements is correct about the two factors which cause global climate change? (2 points)
The two main factors causing global climate change are human activities, specifically the emission of greenhouse gases, and natural causes including variations in solar intensity and volcanic eruptions. These contribute to global warming and other climatic changes.
Explanation:The two significant factors causing global climate change are human activities and natural causes. Human activities, such as the burning of fossil fuels, lead to the release of high amounts of greenhouse gases like carbon dioxide and methane into the atmosphere, thus causing global warming and subsequent climate changes. This is known as the greenhouse effect.
On the other hand, natural causes such as variations in solar intensity and volcanic eruptions also contribute to climate change. Variations in solar intensity directly affect the earth's temperature, while volcanic eruptions release gases and solids that can have a cooling effect on the global climate.
Understanding these causes can help address problems like more intense storms, changes in precipitation affecting agriculture, the reduction in rainforest biodiversity, and rising sea levels which are all potential consequences of global climate change.
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What are two important minerals for the nervous system
Answer:
vitamin b1 and magnesium are two examples
Explanation:
vitamin b1 is essential for the natural functioning of the nervous system, and magnesium is a helpful supplement
Final answer:
Calcium and potassium are two important minerals for the nervous system, vital for nerve function and muscle contraction. A balanced diet that includes these minerals, along with vitamins, healthy fats, and sufficient hydration, is essential for maintaining a healthy nervous system.
Explanation:
Two important minerals for the nervous system are calcium and potassium. These minerals play a crucial role in nerve transmission and muscle function. Calcium is essential not only for maintaining strong bones and teeth but also for muscle contraction, nerve function, and blood clotting. Potassium, on the other hand, is a major cation inside cells and is vital for the proper functioning of the heart, muscles, kidneys, and nerves. Both minerals are involved in cellular processes that include muscle contraction and nerve conduction, making them indispensable for a healthy nervous system.
In addition to these minerals, maintaining overall nervous system health also requires adequate intake of vitamins, healthy fats, and hydration. For instance, vitamins B₁ and B₁₂ are critical for nervous system health, while healthy fats, such as those found in nuts and fish, help insulate the axons of neurons and may enhance memory and learning. Drinking plenty of water helps prevent dehydration, which can negatively impact cognitive function.
Which of the following statements about aldosterone is NOT correct?- Aldosterone is stimulated by decreased plasma sodium levels and increased plasma potassium levels.- Aldosterone increases the number of passive sodium channels in the luminal membrane of the distal tubule and collecting duct, thus aiding sodium reabsorption.-Aldosterone is produced in the adrenal cortex.-Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.
Answer:
C. Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.
Explanation;
Aldosterone hormone is produced by the adrenal gland and mainly carries out its functions in the kidney.Through the aldosterone hormone the body is able to retain more water for the kidney is able to hold more sodium.When the plasma sodium levels decrease and the plasma potassium levels increase the production of aldosterone hormone is stimulated for sodium is needed in the .body to maintain the high water levels in the body.Aldosterone is produced in the adrenal cortex and is stimulated by changes in plasma sodium and potassium levels. It increases sodium reabsorption by increasing the number of sodium channels and Na+-K+ ATPase pumps in the distal tubule and proximal tubule, respectively.
Explanation:Aldosterone is a steroid hormone produced by the adrenal glands, regulating electrolyte and water balance in the body. It acts on the kidneys, promoting the retention of sodium and excretion of potassium, thereby influencing blood pressure and fluid balance.
Aldosterone is produced in the adrenal cortex and is stimulated by decreased plasma sodium levels and increased plasma potassium levels. It increases the number of passive sodium channels in the luminal membrane of the distal tubule and collecting duct, aiding sodium reabsorption. Additionally, aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.
I need help ASAP!!!! 98 points will be added to your account when you answer these questions
1. Describe the main factors that led to a boom in the human population size in the last 300 years.
2. Population A contains 450,000 people and has a 3.3 percent annual growth rate. Population B has 900,000 people and a 1.8 percent annual growth rate. Which population would increase by more people in one year? Explain
3. Describe the relationship between population density and population distribution.
4. As people become more concentrated in cities, some pressure on ecosystems in areas that are not less populated eases. Why do you think this is the case?
The main factors that led to a boom in human population size in the last 300 years include advancements in medical technology, increased agricultural productivity, industrialization, and improved standards of living. Population A would increase by more people in one year due to its higher growth rate. The relationship between population density and population distribution is that population density is a measure of the number of people living per unit area, while distribution refers to the pattern of where people live. Urbanization relieves some pressure on ecosystems as it concentrates human impact into smaller areas, allowing the regeneration of ecosystems in non-urbanized regions.
Historically, the human population grew at a slow rate until the onset of the Industrial Revolution, which led to improved medicine, sanitation, and food production, promoting a rapid increase in population. Population A's annual growth rate of 3.3 percent would result in a larger absolute increase in numbers compared to Population B with an annual growth rate of 1.8 percent, despite the initial population size difference. The concept of population density is distinct from distribution; densely populated areas might be unevenly distributed if large regions are sparsely inhabited. Urbanization can reduce pressure on ecosystems located away from cities because it centralizes resource consumption and waste production, allowing undisturbed regions to maintain or recover their natural ecological functions.
Determine the proportion of offspring phenotypes that would result when two merle dogs mate, if both dogs are heterozygous (Ll) for the gene that regulates coat length.
Answer:
75% would have the dominant traits for coat length, 25% would have recessive trait for coat length.
Explanation:
After completing a punnet square, we could find that our genotypes are 25% LL, 50% Ll, and 25% ll.
If these genotypes were to be physically expressed, LL and Ll would both be expressed as showing the dominant trait.
This means that 75% would have the dominant traits for coat length and 25% would have recessive trait for coat length.
I hope this was helpful! Let me know if you need any clarity.
Final answer:
When determining the offspring phenotypes of two heterozygous dogs (Ll x Ll) for coat length, a Punnett square reveals a 3:1 phenotypic ratio, resulting in three-quarters of the progeny having long fur (dominant) and one-quarter having short fur (recessive).
Explanation:
Understanding Offspring Phenotypes from a Genotype Cross
In genetics, when determining the proportion of offspring phenotypes, specifically with coat color and texture traits, a Punnett square is used commonly. This allows us to visually see the potential genotypes and phenotypes of the progeny when the parents have known genotypes. When two dogs that are heterozygous for a trait mate, each parent has one dominant and one recessive allele for the trait in question. To determine the proportion of phenotypes, you need to establish the alleles for each trait. For example, if we denote 'L' as the dominant allele for long fur and 'l' as the recessive allele for short fur, two heterozygous dogs would have the genotype Ll.
Setting up a Punnett square for Ll x Ll:
The first row and column will have the alleles from each parent (L and l).
By filling out the squares, we predict the potential genotypes of the offspring.
The resulting genotype ratio for Ll x Ll is: 1 LL (homozygous dominant), 2 Ll (heterozygous), and 1 ll (homozygous recessive).
The phenotypic ratio would be:
3 long fur (1 LL and 2 Ll, since L is dominant)
1 short fur (1 ll, as both alleles are recessive)
This gives us a phenotypic ratio of 3:1, where three-quarters of the offspring will have long fur, and one-quarter will have short fur, assuming that long fur is the dominant phenotype associated with the L allele.
Drag the appropriate labels to their respective targets. note that there are twice as many blanks as answer choices. in other words, only half of the targets need to receive a label. pay attention to the color coding and think carefully about the best position for each label when multiple locations seem possible.
The answer is: Wind direction impacts the design of airports, including the location and orientation of the runway.
Further explanationExamine the accompanying wind rose diagram. Based on the information shown, determine the correct answers to the following questions.
Drag the appropriate labels to their respective targets. Note that there are twice as many blanks as answer choices. In other words, only half of the targets need to receive a label. Pay attention to the color coding and think carefully about the best position for each label when multiple locations seem possible.
The answer is: Wind direction impacts the design of airports, including the location and orientation of the runway. This relationship explains why planes circle above an airport so they can land in the correct orientation, and why they reorient themselves after taking off in a direction other than the direction they wish to fly. In our example, the longest spoke in the wind rose diagram indicates prevailing winds are coming from the NE and blowing toward the SW. Therefore, the correct orientation for the runway is along this path, with planes taking off in the SW to NE direction. This wind pattern can be found where NE trade winds are located.
Learn moreLearn more about the color coding https://brainly.com/question/13049676Learn more about the appropriate labels https://brainly.com/question/6420375Learn more about Mastering Geology https://brainly.com/question/1037684Answer details
Grade: 9
Subject: biology
Chapter: Mastering Geology/Oceanography
Keywords: the color coding, multiple locations, the appropriate labels, Mastering Geology, Oceanography
The question pertains to a labeling activity typically seen in Physics, which seems to involve unit conversions and labeling of diagrams like free-body diagrams. The problem-solving method mentioned, known as the 'factor-label method,' is also indicative of Physics.
Explanation:The question refers to a type of interactive activity where items (possibly objects or concepts in a study material) need to be correctly matched with their appropriate labels or units. The activity also suggests the use of color coding and some level of strategic thinking. In Physics, this technique might be used in exercises designed to familiarize students with different unit conversions or physical processes. For instance, in a lesson on forces, the description of a free-body diagram hints at a learning activity where students must correctly label force vectors on a diagram.
Similarly, the mention of the factor-label method suggests unit conversions are involved, such as those often encountered in Chemistry, but in this context, it might refer to Physics problems where different units of measurement must be correctly applied. Therefore based on the content, it can inferred that the subject is Physics at the High School level.
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Based on computer models, it is certain that the global temperature will continue to increase indefinitely. True False
Answer:
true
Explanation: Computer modelling consists of writing a computer program version of a mathematical model for a physical or biological system. Computer simulations that are run according to such programs can produce knowledge out of reach of mathematical analysis or natural experimentation.
Answer:
false
Explanation:
false on odyssey
Select the best answer for the question.
16. For a virus, what advantages and disadvantages does the lytic
lifecycle have compared with the lysogenic lifecycle?
A. The lytic lifecycle allows viruses to reproduce more quickly but
also kills the host and forces the virus to find a new host cell.
B. The lytic lifecycle allows a virus to wait until conditions are
optimal before reproducing but also gives the host cell more time to
detect and fight the virus.
C. The lytic lifecycle allows viruses to reproduce when the host cell
reproduces, spreading to its daughter cells, but also gives the host cell
more time to detect and fight the virus.
D. The lytic lifecycle ensures that the virus won't be detected by the
host cell but also kills the host and forces the virus to find a new host
Answer:
The Answer is likely A.
Explanation:
The Lysogenic cycle allows the virus to "live" within the genome of the cell and there it wait for the optimal time to replicate. The lytic cylce, allows the virus to replicate faster but it does kill the host.
Answer:
The lytic lifecycle allows viruses to reproduce more quickly but also kills the host and forces the virus to find a new host cell.
Explanation:
The alleles found in haploid organisms cannot be dominant or recessive. Why?
Answer:
Because haploid organisms have only one set of chromosomes
Explanation:
Haploid organisms, unlike diploid that contain two sets of chromosomes (2n), have only one set of chromosomes (n). This means that they only have one gene copy and one allele (variant) for that gene. So, there is no recessive or dominant relationship.
Humans are diploid organisms, meaning that their cells have 2n chromosomes with the exception of gametes. Gametes are formed during the reduction division (meiosis) in which chromosome number is reduced to half.
So, when to gametes fuse, during the fertilization, formed new organism contain two sets of chromosomes (one from father and one from mother).
The concepts of 'dominant' or 'recessive' alleles apply only to diploid organisms that have two copies of each gene. In haploid organisms, which only have one copy of each gene these concepts don't hold, as there's no 'other' allele present for expressing dominance or recessiveness.
Explanation:In biology the concept of alleles being dominant or recessive only applies to diploid organisms, which carry two copies of each gene. However, haploid organisms, like some fungi, algae, and many microorganisms, only have one set of genetic information, or genome. Therefore, they contain only one version of each gene which eliminates dominant or recessive traits.
Consider Mendel's pea plants. Here the two versions of each gene (alleles) interact to produce physical traits or phenotypes. For instance, taking a gene dealing with seed color the yellow-seed allele is dominant and the green-seed allele is recessive. In a cross between a homozygous yellow-seed plant (YY) and green-seed plant (yy), we would find that all the F1 hybrid offspring possess yellow seeds because yellow trait (Y) is dominant.
However, in haploid organisms, a gene directly expresses itself without any suppression or dominance. As there is only a single copy of each gene present, there's no 'other' allele to be dominant or recessive over. Hence, alleles in haploid organisms cannot be referred to as dominant or recessive.
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compare and contrast viruses and bacteria
Answer:
A Virus is a infectious agent that only multiply in the living cells of organisms
Bacteria (Can depend on which kind) is a member of a large group made up of unicellular microorganisms. They contain cell walls but do not contain a nucleus or organelles.
Some bacteria can cause diseases like viruses.
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Which of the following statements about the corpus luteum is FALSE? a. None of the other answer options is false.b. Progesterone secreted by the corpus luteum maintains the uterine lining.c It is composed of follicle cells that remain in the ovary following ovulation.d. The corpus luteum is maintained first by FSH and then by hCG.e. If the egg is not fertilized then the corpus luteum degenerates.
Answer:
The correct option is D.
Explanation:
The corpus luteum refers to the structure that is formed in an ovary after an ovum has been discharged; this structure degenerates if pregnancy does not occur. The formation and degeneration of corpus luteum occurs in a cycle. Many hormones are involved in this cycle, but the hormone that is initially responsible for the maintenance of the corpus luteum is LEUTEINIZING HORMONE (LH) not FSH. If pregnancy occur, then hCG hormone will support the work of LH and the two of them will work together.
Use the drop-down menus to answer some questions about dermal tissue. The dermal layer is the layer of the plant. The dermal layer is like human . The dermal layer has a waxy barrier called the . allow for gas exchange and regulate water loss. The dermal layer's main function is .
Answer:
1st: outermost
2nd: skin
3rd: cuticle
4th: guard cells
5th: protection
Explanation:
Answer:
The dermal tissue system safeguards the plants' soft tissues and monitors the associations with the surroundings of the plant. The epidermis refers to a dermal tissue, which is generally a solitary layer of cells enveloping the younger sections of the plants. It discharged a waxy layer known as the cuticle, which prevents loss of water.
The dermal layer is the outermost layer of the plant. The dermal layer is similar to human skin. The dermal layer possesses a waxy barrier known as the cuticle. The guard cells permit for exchange of gases and monitor loss of water. The prime function of the dermal layer is protection.
When Europeans arrived, the white and red pine that grew near the jack pine plains, were logged and then all the pine acreage was set on fire. Millions of acres of pine trees were burned. How did these practices temporarily impact the carbon cycle model seen here?
Answer:
Deforestation negatively impacts the carbon cycle as trees play an important role in balancing the amount of carbon in the atmosphere.
Explanation:
Deforestation is one of the most damaging activities to the environment due to different reasons but mainly because it releases important amounts of carbon dioxide to the atmosphere due to the logging and burning of forests and also leads to the reduction of fauna populations because of habitat destruction.
In this case, cutting white and red pines and then setting a pine acreage on fire disrupts the carbon cycle because:
a) [As stated above] Trees play an important role in balancing the amount of carbon dioxide (CO2) in the atmosphere as there is less photosynthesis carried out by plants - important part of the carbon cycle.
b) When trees (wood) are burned, the carbon that was formerly stored is released into the atmosphere as CO2, leading to another disruption in the carbon cycle.
While the pile of ashes and log have similar colors, the change in size, odor, and hardness, and the difference in combustibility indicate that a chemical change has resulted in a substance with a different identity. Furthermore, the ashes cannot be converted back into a log.
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What makes sexually reproduced offspring genetically different from their parents?
They’re genetically different because they only possess half the genes from each parent, so they’re not indentical
Genetic recombination during meiosis makes erotically reproduced offspring genetically different from their parents.
What do you mean by Reproduction?Reproduction may be defined as a biological process through which living organisms give rise to offspring which are fertile in nature.
Due to the fusion of two gametes that are coming from two different parents causes segregation and genes from both the parents are intermingled to develop an offspring. As a result of this, variations may occur in the resultant offspring.
Therefore, genetic recombination during meiosis make erotically reproduced offspring genetically different from their parents.
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Does the cell cycle have a beginning and an end
Answer:
No, it is a cycle, so it repeats cyclic.
Explanation:
The cell cycle is divided into two main phases: interphase and mitotic phase.
Interphase is phase characterized by the the cell growth and DNA copy (replication). During this phase, the cell prepares for division, formation of two daughter cells (mitotic phase).
Mitotic phase is subdivided into four phases:
prophase, - nuclear envelope breaks down, condensed chromosomes are released metaphase- chromosomes are lined up, mitotic spindle is formedanaphase - the sister chromatids of each chromosomed move to the opposite ends of the celltelophase-final stage, nuclear envelope reformsThe cell cycle is a regulated process with checkpoints, maintaining accurate progression through phases like interphase, mitosis, and cytokinesis to avoid issues like uncontrolled cell division.
The cell cycle consists of an orderly sequence of events, starting from interphase to cell division, encompassing phases like G₁, S, G₂, and mitosis.
Internal controls called checkpoints monitor each step of the cell cycle to ensure proper progression, with three major checkpoints in G₁, G₂/M transition, and metaphase.
Precise regulation by chemical messengers inside and outside the cell ensures accurate movement from one cell cycle phase to the next, crucial in preventing uncontrollable cell division, such as in cancer.
The Venn diagram details some of the helpful and harmful effects of bacteria. In what ways are viruses like bacteria?
A. Viruses are also pathogenic
B. Viruses are also decomposers
C. Viruses are also prokaryotes
D. Viruses can also cause food to spoil
Answer:
A. Viruses are also pathogenic
Explanation:
Pathogens are the microorganisms that are responsible for diseases in living beings. Both bacteria and viruses are pathogenic. Some of the common diseases caused by viruses in human are AIDS, Ebola, common cold, flu and small pox. Since viruses are metabolically inactive outside the host cell, they are not categorized as prokaryotic or eukaryotic organisms.
Viruses and bacteria are both pathogenic and can cause food to spoil, but they have different characteristics.
Explanation:In what ways are viruses like bacteria? Viruses and bacteria are both pathogenic, meaning they can cause diseases in living organisms. They can both cause food to spoil. However, viruses are not decomposers like bacteria, and they are not prokaryotes - they are actually a type of non-living particle.
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A species of lizard is found on the eastern and western sides of part of a mountain range. On both sides, individual populations are small. On the western side, individual populations are relatively close together and males move extensively among populations to breed. On the eastern side, however, populations are farther apart and males seldom move among more than one or two adjacent populations to breed. If you were to study the genetic diversity of western and eastern populations, which pattern would you expect to find?
Answer:
A species of lizard is found on the eastern and western sides of part of a mountain range. On both sides, individual populations are small. On the western side, individual populations are relatively close together and males move extensively among populations to breed. On the eastern side, however, populations are farther apart and males seldom move among more than one or two adjacent populations to breed. If you were to study the genetic diversity of western and eastern populations, which pattern would you expect to find?
Each western population would be genetically diverse, although the allele frequencies might differ from one population to the next. Eastern populations would be less diverse, and some populations will have only a limited number of the total alleles available in the species.
Explanation:
How did the Industrial Revolution contribute to the changes in environmental quality that occurred
during the late 18th and 19th centuries?
Answer:
Negatively
Explanation:
The Industrial Revolution contributed to the first mass scale pollution of the Earth's spheres by the humans. There was pollution prior to it as well, but it was nothing when compared with the period after it occurred. With the development of the industry, lot of waste was released into the waters, or on the soil, often being very toxic and causing severe contamination. The main energy source was the coal, and the coal that was used was releasing enormous amounts of carbon dioxide and sulfur dioxide into the atmosphere. The places that were located near industrial object, or had industrial objects in them faced enormous pollution of the air, which badly affected the health of the humans, animals, and plants. The first acidic rains caused by the human activity started to appear, causing big damage on the forests.
Answer:
c. Increased economic development reduced environmental quality
Explanation: