Answer:
Evolution
Explanation:
Evolution can be described as the changes which occur in a population over a period of time. Over a period of time, organisms tend to evolve those characteristics which make them better adapted to live in an environment. Such changes which occur over a long period of time are termed as evolution. Charles Darwin was the scientist to bring forward the theory of evolution.
The change in the tail length of a rat over a course of many years is an example of evolution.
"The process described is known as speciation.
Speciation is the evolutionary process by which new biological species arise. This can occur over long periods of time, such as the 10,000 years mentioned in the question. In the case of the rat, the original population may have been subjected to different environmental pressures, leading to genetic changes. Over time, these changes can accumulate to the point where two populations of the same species can no longer interbreed successfully, thus becoming separate species. The long-tailed and short-tailed rats in the question are examples of the resulting species after speciation has occurred. There are several mechanisms by which speciation can happen, including geographic isolation (allopatric speciation), ecological divergence (sympatric speciation), and polyploidy (especially in plants)."
a cell is in a solution that contains dissolved oxygen as the cell used oxygen for respiration
Answer:
oxygen in the solution will naturally diffuse into the cell.
Explanation:
Cells require oxygen for cellular respiration to occur. When a cell is places in a solution having oxygen dissolved in it, The concentration of the oxygen outside the cell will be more as compared to the concentration of oxygen inside the cell. As a result, the cell will take up oxygen by the process of diffusion. Diffusion is the movement of particles from a higher concentration to a lower concentration along a concentration gradient.
The day to day conditions of an area including temperature, Wind direction and speed, Air pressure, relative humanity, and precipitation
Answer:
"Weather" is the day to day conditions of an area including temperature, Wind direction and speed, Air pressure, relative humanity, and precipitation
Explanation:
It is the condition of the atmosphere which tells us about the extent at which it is hot or cold, wet or dry, or it can be calm or stormy type. Basically the weather happens at the least level of the atmosphere. Which is we call as the troposphere that is found just below the stratosphere. Troposphere is the layer present in the most lower level forming the Earth's atmosphere. In this layer of has 75% mass out of atmospheric mass and 99% of the total mass of water vapor.
Question 1 of 10
2 Points
Which action is a way to carry out smart growth?
O
A. Keep suburbs quiet by putting schools in urban areas.
O
B. Put lots of space between neighborhoods in the suburbs,
O
C. Put neighborhoods close to business centers.
D. Reduce noise by putting businesses far away from neighborhoods
Answer:
The correct option is D) Reduce noise by putting businesses far away from neighborhoods
Explanation:
Smart growth can be described as a method for building an urban area in such a way that it is prosperous and sustainable. An area whose construction is not feasible, will make life difficult for the people living there. For example, if in an area the business markets are close to the neighborhood, the it will not be a sustainable development as the people living there will will have to bear the noises. There are many perspectives like these which come under smart growth and need to be considered when constructing an area.
A way to carry out smart growth is Put neighborhoods close to business centers. Therefore, option C is correct
-Putting neighborhoods close to business centers:
- This approach minimizes commute times and reduces traffic congestion, promoting more sustainable transportation options like walking, biking, and public transit.
- It encourages the efficient use of land and resources by integrating residential and commercial areas, which can help preserve open spaces and reduce urban sprawl.
- Proximity to business centers can enhance the vibrancy and economic viability of urban areas, making them more attractive places to live and work.
- Why Not Other Options:
- A. Keep suburbs quiet by putting schools in urban areas: This could lead to increased traffic and longer commutes for suburban residents, contrary to smart growth principles.
- B. Put lots of space between neighborhoods in the suburbs: This promotes urban sprawl and inefficient land use, increasing reliance on cars and infrastructure costs.
- D. Reduce noise by putting businesses far away from neighborhoods: While reducing noise, it can increase travel distances and car dependency, opposing smart growth goals.
Smart growth focuses on creating sustainable, efficient, and livable urban environments by promoting compact, mixed-use development and reducing the need for extensive car travel.
What kind of gut do worms in Phylum Platyhelminthes have?
Answer: a simple sac or highly branched
As carbon dioxide is absorbed by the ocean, the ocean becomes slightly more acidic. Which of the following effect will an increase ocean acidity most likely have on marine organisms?
A: Higher acidity could make it harder for many organisms to build their shells and skeletons.
B: Higher acidity could make ocean levels rise and marine organisms would need to adapt.
C: Higher acidity could make ocean temperatures decrease and marine life populations will increase.
Answer:
A
Explanation:
A drop in blood pH of 0.2-0.3 can cause seizures, comas, and even death. Similarly, a small change in the pH of seawater can have harmful effects on marine life, impacting chemical communication, reproduction, and growth. The building of skeletons in marine creatures is particularly sensitive to acidity
An effect which the increase in the ocean acidity most likely have on marine organisms is the higher acidity could make it harder for many organisms to build their shells and skeletons. Thus, the correct option is A.
What effect foes higher acidity have on marine organisms?As the ocean acidification increases, the amount of available carbonate ions (CO₃²⁻) bonds with excess hydrogen, thus resulting in fewer carbonate ions being available for calcifying organisms to build and maintain their shells, skeletons, and other calcium carbonate structures in the marine organisms.
Ocean acidification is also called as osteoporosis of the sea. Ocean acidification can create the conditions which results into eating away the minerals which are used up by oysters, clams, lobsters, shrimp, coral reefs, and other marine life to build their shells and skeletons for survival.
Therefore, the correct option is A.
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2. Explain how a breeder might produce a new breed of dog
with long ears and a snub nose and how this new breed is
evidence of evolution
Answer: The breeder should choose the two dogs with those distinctive figures, thus concluding a mix of both breeds. This is evidence of evolution because a new breed will be brought up.
Explanation: Example, breeding a shih tzu and a poodle concludes to a new breed which is a p tzu. Sounds funny, but true. Evolving the dogs world even further.
Final answer:
A breeder might produce a new dog breed with long ears and a snub nose through artificial selection, repeatedly breeding dogs with these traits. This process mirrors natural selection and provides evidence of evolution, as it shows how selective pressures can lead to the development of new traits within a population.
Explanation:
A breeder aiming to produce a new breed of dog with long ears and a snub nose would use a process known as artificial selection. This involves selecting dogs that exhibit long ears and a short snout and breeding them together. Over multiple generations, by consistently choosing and mating individuals with desired traits, these characteristics would become more pronounced within the breed due to the inheritance of these traits. This type of selective breeding is what led to the variety of dog breeds we see today, from the tiny Chihuahua to the large Great Dane, all derived from a common ancestor related to wolves.
The production of a new breed through selective breeding is evidence of evolution because it demonstrates how selective pressures, whether natural or artificial, can lead to the development of new traits within a population. What starts as slight variations within a gene pool can be magnified over time into significant differences, mirroring the process of evolution in nature, albeit at a much faster and directed pace due to human intervention.
The famous Silver Fox Experiment conducted by Dmitri Belyaev and Ludmilla Tutt showed that selecting for behavioral traits such as docility in wild foxes not only resulted in tamer foxes but also produced physical changes such as shorter snouts and different coat patterns. This experiment provided strong evidence for how selection can lead to changes in morphology as well as behavior, further supporting the concept of evolution through selected traits.
Yeast were exposed to various sugars in culture without oxygen According to the data in the culture with which sugar would
the most ATP be measure
maitose, because it is a disaccharide and has more high energy bonds
glucose, because it is a monosaccharide and is easily metabolized by
yeasts
Now,
you
are this
readily available in the growth
wobecne is a disaccharide and is the most plentiful sugar for
yeasts
9 Oe
Answer:
Maltose, because it is a disaccharide and has more high energy bond
Explanation:
Sequential Action of MalE and Maltose Allows Coupling ATP Hydrolysis to Translocation in the MalFGK2 Transporter.
Answer:
maltose, because it is a disaccharide and has more high energy bonds
Explanation:
How many distinct stages must occur between the point when light first encounters chlorophyll and the point at which
can be used as energy by the plant?
Two
three
five
eight
Explanation:
Three.
Photosynthesis produces glucose and O2 from inorganic CO2, light energy and water. This occurs in distinct steps: 1) light fixation, 2) electron transport and NADPH production 3) ATP generation, then 4) carbon fixation and carbohydrate production.
6CO2 + 6H20 + (energy) → C6H12O6 + 6O2
Further Explanation:
Photosynthesis is a chemical process, essential to plant and other primary producers producing energy. As oxygen is emitted, energy in the form of glucose molecules is created from light, water, and carbon dioxide. It happens in several complicated stages, photosynthesis is a speed-limited process, depending on several factors including concentration of carbon dioxide, ambient temperature and light intensity; energy is extracted from photons, i.e. light particles, and water is used as a reduction agent. It occurs in the thykaloids, where pigment molecules live like chlorophyll.
Photosynthesis occurs in several complex steps and is a reaction of a small duration, depending on several fa factors including carbon dioxide concentration, ambient temperature and light intensity; the energy is retrieved from photons, I.e. particles of light, and water is used as a reducing agent. Water supplies the chlorophyll in plant cell with replacement electrons for the ones removed from photosystem II.
Additionally,
Water (H2O) divided into H+ and OH-by light during photolysis serves as a source of oxygen along with acting as a reduction agent; it reduces the NADP molecule to NADPH by supplying H+ ions and generates molecules of the energy storage molecule ATP through an electron transport chain. This happens in the thykaloids, where pigment molecules reside like chlorophyll. Later, NADP and NADPH are used in dark reactions during the Calvin cycle, where monosaccharides or sugars such as glucose are produced after several molecules have been modified. These store energy in their bonds which in the mitochondria can be released in respiration.Learn more about photosynthesis at brainly.com/question/4216541
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Answer:
It's five
Explanation:
I just took the test
The study of passing traits from parents to offspring is known as
Answer:
genetics
Explanation:
done it 2021
A test tube fell on the floor and broke! What would you do? Check all that apply.
Call 911.
Using your hands, carefully pick up the broken test tube and dispose of the broken glass appropriately.
Tell your teacher right away.
Try to recover the mystery food solution from the broken pieces so you can continue to test it.
Answer:
tell your teacher
Explanation:
got it right
whats wrong with this structure H-C=C-H
The structure H-C=C-H is incorrect as carbon can form a maximum of four bonds. Additional atoms or groups should be added to the carbon atom to correct the structure.
Explanation:The structure H-C=C-H is incorrect because carbon can form a maximum of four bonds, but in this structure, it is only forming two bonds.
Carbon typically forms four single bonds in order to achieve a stable electron configuration. In the given structure, one carbon atom is only bonded to one hydrogen atom, leaving one unused bond.
To correct the structure, additional atoms or groups should be added to the carbon atom so that it forms four bonds in total.
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Use the diagram to answer the question.
Which two structures help produce energy for a plant cell?
nucleus and cytoplasm
mitochondrion and cytoplasm
mitochondrion and chloroplast
cell membrane and chloroplast
The two structures that play crucial roles in energy production for a plant cell are the mitochondrion and chloroplast.
Mitochondria are the powerhouses of the cell, conducting cellular respiration to convert nutrients into adenosine triphosphate (ATP), the cell's primary energy currency.
On the other hand, chloroplasts are responsible for photosynthesis, a process where they capture light energy, convert it into chemical energy, and synthesize glucose.
The nucleus contains genetic information but is not directly involved in energy production.
Cytoplasm is a gel-like substance that houses cellular components, but energy production occurs primarily in the mitochondrion and chloroplast.
DNA is an incredibly long molecule,and can extend the length of a football field. how can DNA molecule fit inside a nucleus
The DNA molecule forms nucleosomes, which are compact loops, by wrapping about histone proteins.
What is nucleosomes?The fundamental structural component of DNA packing in eukaryotes would be a nucleosome. A nucleosome has the shape of a thread twisted together around a spool since it is made up of a stretch of DNA folded between 8 protein subunits.
What is DNA?
A substance called deoxyribonucleic acid (DNA) would be used to encode an individual's genetic code. In other words, DNA would be the source of all the knowledge needed to create as well as maintain an organism.
The DNA molecule forms nucleosomes, which are compact loops, by wrapping about histone proteins.
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PLEASE HELP, WILL MARK BRAINLIEST, THIS IS MULTIPLE CHOICE
The process of natural selection favors certain characteristics in organisms, while it selects against other characteristics.
What would happen if there was zero variation between all of the organisms on Earth?
A.
Organisms would evolve to increase variety.
B.
Natural selection would operate faster.
C.
Evolution through natural selection would not occur.
D.
Less food would be available.
Answer:
c
Explanation:
if there was no change, there is no way for the strongest of a species to pass on their genes as all of the species would be exactly the same and there would be no strongest
Answer:
Evolution through natural selection would not occur
PLEASE HELP! I NEED THIS ASAP!! I GIVE BRAINLIEST!!
Develop a micro-theme to include the following concepts:
a. Differentiate between genetics and heredity
b. Compare dominant and recessive traits
c. Compare pure and hybrid offspring
Answer:
a) genetics and heredity: Genetics can be described as the study of genome or DNA of an organism. Heredity refers to the traits which are passed on from the parents to the offsprings. Not all of the genome of an individual is similar to the parents. Hence, genetics refers to the genome of an individual and heredity refers to the traits which pass from the parents to the child.
b) Dominant and recessive trait: A dominant trait is caused due to a dominant allele. A dominant allele is the allele which can mask the effect of the other recessive allele. Hence, a person can be homozygous or heterozygous for the dominant trait. A recessive trait arises due to the recessive allele. A recessive allele is the allele which gets masked by the dominant allele.
Pure and hybrid: A pure offsprings contains the same genetic character for a trait. It is a homozygous offspring. A hybrind offspring contains different alleles or genetic characters and is heterozygous.
Explanation:
The productivity of a freshwater ecosystem depends on water movement. In
which of the following freshwater ecosystems does water move constantly in
one direction?
O A. Bog
O B. Stream
O C. Marsh
O D. Swamp
SUBMIT
In swamp freshwater ecosystems does water move constantly in
one direction.
What is freshwater ecosystems?"An ecosystem characterized by low-salt content, making a suitable environment for various plants and animals is known as a freshwater ecosystem."
What are the types of freshwater ecosystem?The freshwater ecosystem is mainly divided into three types based on its region –
Lotic,Lentic,Wetland.What are the main characteristics of freshwater ecosystems?The main characteristics are:
The freshwater ecosystem is less saline, unlike the marine ecosystem.The freshwater ecosystem is a habitat for various plant and animal species.The temperature in this ecosystem varies depending on some factors like location, season, and depth from the water surface.The freshwater ecosystem provides a suitable environment for various species of flora and fauna.The freshwater ecosystem contains sediments at the bottom.What is swamp?"Swamp, type of wetland ecosystem characterized by mineral soils with poor drainage and by plant life dominated by trees. "
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Answer:
A
Explanationits right:
Which criteria do scientists consider when they classify soil? Check all that apply. soil profile climate soil composition bedrock soil horizon
Answer:
Climate and soil composition
Explanation:
Scientists classify soil based on criteria such as soil profile, climate, soil composition, bedrock, and soil horizon, each contributing to defining soil's properties and capabilities.
Explanation:Scientists consider several criteria when they classify soil. These criteria include soil profile, climate, soil composition, bedrock, and soil horizon. The soil profile is composed of distinct layers known as horizons, such as the O, A, B, and C horizons, each with specific characteristics that play different roles in nutrient cycling, water retention, and support for plant life. The climate influences soil formation by affecting weathering patterns, biological activity, and moisture content.
Soil composition is shaped by the type of parent material and influences the soil's physical and chemical traits. Lastly, the soil horizon refers to the individual layers within the soil, like topsoil (A horizon) and subsoil (B horizon), each distinguished by its properties and composition. The underlying bedrock can become the parent material for soil formation affecting the soil through its mineral content and by providing a base for the development of the soil's upper layers.
what did Renaisance writers write about?
Answer:
The period focused on self-actualization and one's ability to accept what is going on in one's life. The earliest Renaissance literature appeared in Italy in the 14th century; Petrarch, Machiavelli, and Ariosto are notable examples of Italian Renaissance writers.
Explanation:
Final answer:
Renaissance writers created works that reflected the human experience, often incorporating classical themes and promoting harmony and beauty. They explored love, religious faith, and humanistic themes, and the rise of genres such as the Gothic tale marked literary innovation. The writings of Dante, Petrarch, and their contemporaries were key in shaping this transformative period.
Explanation:
Renaissance Writers and Their Subjects
Renaissance writers were deeply influenced by the catastrophes of the 14th century such as the Hundred Years' War, the Black Death, and widespread famines, which paradoxically helped set the stage for the later flourishing of the arts known as the Renaissance. This period is characterized by a revival of interest in the classical knowledge of Greece and Rome, humanist values, and artistic innovation. Dante Alighieri, Petrarch, and Giovanni Boccaccio were among the early figures whose works laid the groundwork for Renaissance thought and literature.
Dante and Petrarch, operating during times of economic recession and social instability, focused on the human experience, integrating elements of classical antiquity with contemporary concerns. Petrarch, particularly, advocated for the use of clear, classical Latin and imitating the style of ancient Roman writers. In the midst of recovery from plague and war, there emerged a wealthier population with a demand for luxury goods, including literature and arts, which stimulated the creation of a new merchant class and patronage for writers and artists. As a result, authors during this time wrote on a range of topics, including human relationships, religious faith, and philosophical inquiry into the nature of love and beauty. Their works often stressed harmony and beauty, two pillars of Renaissance aesthetics.
Emerging out of this context were the Gothic and mystery tales with Edgar Allan Poe and Mary Shelley being notable contributors to this genre. Mannerism later emerged as a reaction against the earlier Renaissance styles, rejecting harmony and ideal proportions for more exaggerated and emotionally expressive forms. The renewed interest in classical Greek philosophy and literature aided Renaissance writers in exploring humanistic themes, with the church providing significant patronage for many works.
Which is not a process involved in the formation of sedimentary rock?
deposition
compaction
extrusion or weathering
Answer:
Extrusion is not a process involved in fromation of sedimenatry rock
Explanation:
please mark brainliest just need 4 more
what problems do you predict a cell would have if it had a defect in a “lysosomal enzyme?”
Answer/Explanation:
The lysosome is a membrane-bound organelle in eukaryotic cells that is important for breakdown of old cellular materials, large molecules and even bacteria and viruses. The lysosome contains lysosomal enzymes, which are digestive enzymes that catalyse the breaking down of such substances. Lysosomes are very acidic to aid the function of these enzymes.
With a defective lysosomal enzyme, you might expect the cell to have a build up of damaged or old organelles, and also a build up of macromolecules that the cell needs to lysosomes to break down. This could mean that the cell becomes starved of a food source and unable to perform respiration and other related tasks.
In the 1700s, Swedish biologist Carl Linnaeus developed a system of classifying organisms in which every organism was given a scientific name that consisted of its species name and genus name. How did Linnaeus's work help future scientists?
Answer:
It allowed scientists to clearly communicate with each other about different organisms.
Explanation:
Carl Linnaeus was a Swedish Botanist who is known for devising the system of classification for organisms and bringing forward the system of binomial nomenclature. Binomial nomenclature can be described as a method by which a scientific name is assigned to every organism based on their genus and species name.
This method is beneficial for scientists so that they can communicate with each other about different organisms. As scientists belonging to different regions had different common names for an organism, binomial nomenclature made possible for scientists to communicate bu using specific scientific names.
Compare and contrast the chemically different layers of Earth’s interior.
There are many differences among humans. However, all humans belong to the same species because they A. can communicate with one another using sound. B. can mate with one another to produce fertile offspring. C. all give birth to live young. D. all have hair on their bodies and can walk on two legs.
Answer:
Id assume the answer is D because the other can apply to mostly anything
Explanation:
Answer:
the answer is that I think is b
Choose the image that shows a cast.
Photo by Vassil
What is a cast?
Answer:
IS the last one
i got it right and the proof to
What are all the verbs in (Caroline joined the club because she loves exploration
Answer: Joined, loves
Explanation: "joined" and "loves" are the verbs because it explains what she did.
Answer:
Joined, loves
Explanation:
Joined and loves are the two verbs in the sentence because, the both are actions.
What do physical traits mean?
Answer: your appearance
Explanation:
For instance examples of physical traits could be tall, brown hair , hazel eyes ,etc
Definition: These are parents, parents of parents, etc.
Answer:
Ancestors
Explanation:
Ancestors can be described as the persons from which a particular human being originated. In a broader perspective, it is referred to family history of a person. Scientists believe that all organisms on Earth originated from a common ancestor which were the prokaryotes. The prokaryotes with time gave rise to the eukaryotes. Common descent is the phenomenon in which organisms having common ancestors are referred.
Which of the following do all the terrestrial planets have in common?
Answer:
What do the terrestrial planets have in common?
Terrestrial planets are Earth-like planets made up of rocks or metals with a hard surface. Terrestrial planets also have a molten heavy-metal core, few moons and topological features such as valleys, volcanoes and craters.
Explanation:
Answer: They all have a solid, rocky surface
Explanation:
Describe the relationship between Surface Area and Rate of Weathering ?
Explanation:
the rate of weathering is not the same for all rocks. Factors such as surface area, rock composition, and location influence the rate of weathering. water, the faster the rock will break down. A greater surface area allows chemical weathering to affect more of a rock.
what are the similarities in interphase
Answer AND Explanation:
In spite of its being called the resting phase, many cellular processes take place during this phase. One of the most important of these is chromosomal replication in which each chromosome produces an exact copy of itself. During interphase, the chromosomes are not visible as discrete structures. Instead, they appear as a diffuse tangle of threads called chromatin. Another important event that takes place during interphase is the formation of new cellular organelles, e.g. mitochondria, ribosomes. There is also build up of energy stores which is necessary to drive the mitotic process.