Answer:
Because of adaptation (genetic variation).
Explanation:
Some organisms might undergo sexual reproduction at times when conditions aren't favorable, because the offspring will start adapting, so that what was once a "less favorable" condition, is now more favorable.
The goal of all that, is basically to create a genetic variation that consists in making the individuals better adapted to the environment: to make the environment more favorable.
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→ Keep in mind that, the environment doesn't change at all, what changes is how the organisms react to it.
For example, imagine that your punch is the environment, and that wood was the previous set of organisms, and that iron is the second set of organisms. If you punch both of them (given that your punch doesn't change), you'll note that there is a difference between punching wood and iron. The punch wont change, but how the material (which in this case represents our organisms) reacts to the punch, does change.
Hope it helped,
BiologiaMagister
This form of reproduction leads to more genetic variability and higher chances of survival.
When conditions in the environment become less favorable, the form of reproduction becomes preferable because it increases the chances of the offspring surviving.
Offspring of such reproduction are genetically more diverse than their parents, unlike those from other reproduction which are of the same genetic composition as their parents.
With more variability, the offspring have a higher chance of surviving the unfavorable environment than their parents.
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Do cells become specialized through 1. Cell reproduction 2. Cell differentiation 3. Morphogenesis 4. Apoptosis
Answer:
Cell Differentiation is the process through which cells become specialized.
Think about the name, cells become different from one another, becoming specialized into different types.
Residential construction is expanding in Florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species
Answer: 1 ) large predators will become extinct
Explanation: Due to the expansion of residential construction in Florida these large predators will have no place to live and eventually die, leading to an extinction.
Answer: 1) Large predators will become extinct.
Explanation:
A predator is a organism which kill other organism to obtain it as food. The organism which is killed is prey. The predators are carnivores organisms, which means they are flesh eating organisms.
According to the given situation, the residential construction in Florida is the limiting factor for the growth and abundance of predator population. This has resulted in the decrease in the population of predator species. Hence, many predator species will extinct immediately due to habitat fragmentation.
What is the main sugar used by cells for energy?
Answer:
The answer is GLUCOSE.
Explanation:
Glucose is the main sugar used by cells for energy. Glucose is derived from the digestion of carbohydrates. In humans, glucose is usually absorbed into the blood from the small intestine, the blood then carry the blood around the body, allowing each cell to have access to the glucose it needs.
If the quantity of glucose in the blood is more than needed per time, the body usually store the excess glucose as glycogen, the glycogen will be turned to glucose and release for cell use when the quantity of sugar in the blood is low. In the absence of glycogen, other macro nutrients such as lipids and proteins can also be converted to glucose via gluconeogenesis when the concentration of glucose in the blood is low.
The cells oxidize the glucose and convert it to energy in form of ATP, which they use to carry out their life activities.
The main sugar used by cells for energy is glucose. It can be stored as glycogen in the body or it is converted into fat if in excess. During cellular respiration, it helps to form ATP, the cells' energy currency.
Explanation:The main sugar used by cells for energy is glucose. This simple sugar, a monosaccharide, is an important energy source for many organisms. Carbohydrates, such as sugars, are the most common source of energy for the body, broken down during digestion into simpler monosaccharides like glucose and fructose.
Once glucose is in the body, there are a series of endocrine control mechanisms that regulate its concentration in the bloodstream. Excess glucose can either be stored in the liver and skeletal muscles as a complex polymer called glycogen, or it can be converted into fat in adipose cells or adipocytes.
During cellular respiration, energy is released from glucose. This energy helps to form adenosine triphosphate (ATP), which is like the currency that cells use for energy. Photosynthetic plants synthesize glucose using carbon dioxide and water, and the glucose is then used for their energy requirements. Any excess synthesized glucose is often stored as starch, which can be broken down by other organisms that feed on plants.
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What molecule does dna store the instructions for building
Answer: A gene
I'm pretty sure it's a gene because it's literally the instructions as to how the make up if a certain person would be.
DNA stores instructions for building proteins.
Explanation:The molecule that DNA stores instructions for building is called protein.
Proteins are large, complex molecules composed of amino acids. They play a crucial role in the structure, function, and regulation of cells and tissues. DNA carries the genetic code that determines the sequence of amino acids in a protein, and this information is used by cells to assemble a specific protein.
For example, the DNA instructions might code for a protein involved in muscle contraction, such as actin. Actin is a protein that forms the framework of muscle fibers, allowing them to contract and generate movement.
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Two pea plants with yellow peas are crossed. Most of their offspring have yellow peas, but about 25 percent of the offspring have green peas. For pea color, yellow is the dominant trait and green is the recessive trait. What does this tell you about the two parent plants?
A. The parent plants have only dominant alleles for pea color.
B. The parent plants are heterozygous for pea color.
C. Pea color follows an incomplete dominance pattern of inheritance.
D. The parent plants are homozygous for pea color.
Answer:
B. The parent plants are heterozygous for pea color.
Explanation:
If both the parent plants had only dominant alleles for pea color as described in A, all of their offspring would be yellow (dominant). We know that pea color does not follow an incomplete dominance pattern because the question states that yellow is dominant and green is recessive; there is no intermediate mixture of these colors as a trait. If the parents were both homozygous, then their offspring would either be all yellow or all green. If we do a punnett square with 2 heterozygous parents, we will see that one out of 4 (25%) offspring will indeed be green.
Answer:
B. The parent plants are heterozygous for pea color.
Explanation:
Which of the following statements about amino acids is INCORRECT?
A turn or kink in a protein is more likely to be induced by a proline than by a glycine.
The more glycines that are found in a polypeptide's primary sequence, the more flexible the backbone of that polypeptide.
The bridge between cysteines, which connects parts of a protein, is a stable but noncovalent interaction.
Not every amino acid is asymmetric.
At typical cellular pH, the R groups of basic amino acids are positively charged.
Answer:
The answer is: The bridge between cysteines, which connects parts of a protein, is a stable but noncovalent interaction.
Explanation:
Hope my answer has helped you!
Final answer:
The incorrect statement is that the bridge between cysteines in proteins is a noncovalent interaction; it is actually a covalent bond known as a disulfide linkage, crucial for protein tertiary structure stabilization.
Explanation:
The incorrect statement among the choices provided for amino acids is that the bridge between cysteines, which connects parts of a protein, is a stable but noncovalent interaction. In truth, the bridge between cysteine residues is formed by a covalent bond known as a disulfide linkage. This link is a result of the oxidation of two cysteine molecules, which combine to form cystine, and it is significant in stabilizing a protein's tertiary structure.
A turn or kink in a protein is indeed more likely to be induced by a proline than by a glycine, due to proline's ring structure. Glycine, having a single hydrogen atom as its side chain, is small and allows flexibility in the protein structure, making the backbone of the polypeptide where glycines are present more flexible. Not every amino acid is asymmetric; for instance, glycine is not chiral. At typical cellular pH, the R groups of basic amino acids such as lysine and arginine are indeed positively charged.
A scientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the _________.
Answer:
The answer to this question is "Motor Unit"
why did the finches found on the galapagos islands have different shaped beaks?
A.the birds were not all finches
B.the birds evolved at different times
C.the birds had different diets
C. The birds had different diets. The bird's beaks evolve depending on their diet!
Sunny~ ☺
Answer:
c. the birds have different diets
Explanation:
The research that Darwin had at Galapago´s Islands, brought up several questions about why are living species the way they are. As part of the theory of Natural Selection, Darwin supported that the physical characteristics of the individuals are strictly related with their function. For example, the shape of the beak of the finches, which is a consequence of evolution, has a strict relation with the type of diet they have and as a consequence, the adaptation they will have in their environment.
Which example describes a mutualistic relationship between organisms?
Young wasps prey on caterpillars.
Crabs eat the remains of dead fish.
Tapeworms feed on food in the intestines of cats
Ants protect a tree on which they feed.
Answer:
Ants protect a tree on which they feed (Option D)
Explanation:
Mutualistic relationship - relationship between two individuals / species where both involved benefit
A. Predation
B. Predation
C. Parasitism
D. Mutualism
Bodies of interplanetary debris that orbit the Sun with most in the area between Mars and Jupiter are called ____.
Question 3 options:
meteors
comets
asteroids
meteorites
Answer:
Bodies of interplanetary debris that orbit the Sun with most in the area between Mars and Jupiter are called comets.
Answer: Option (3)
Explanation: The region between the inner planets and the outer planets, i.e between Mars and Jupiter, there lies a belt known as the asteroid belt. These asteroids ranges in size from a few meters to hundreds of km. The asteroids in this belt, generally moves at a speed of about 80,000 km/hr and there occurs frequent collision between them.
Thus, the correct answer is option (3).
In which area of the neuron is an action potential initially generated?
Answer:
(C). Membrane potentials above threshold at the hillock will open voltage-gated Na+
Explanation:
The action potential in a neuron is initially generated in an area called the axon hillock, which integrates incoming signals and decides whether or not to fire an action potential.
Explanation:The action potential in a neuron is initially generated in an area called the axon hillock. This part of the neuron is responsible for integrating incoming signals from synapses and deciding whether or not to fire an action potential. As the action potential travels down the neuron's axon, it stimulates other neurons and continues the cycle of information transmission. For instance, when you touch a hot surface, the sensation is relayed as action potentials from the sensory neurons in your finger all the way to your brain.
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All glands in the body, such as salivary glands and the pancreas, are derived from which type of tissue
Answer:
Endoderm
Explanation:
The embryo has three germ layers. The ectoderm, mesoderm, and endoderm. The endoderm is the innermost layer. Other than the endocrine glands, the other tissues that develop from the endoderm are the gastrointestinal tract, urinary and auditory system, and the respiratory tract.
Select the correct statement about chemical energy, a term used by biologists to refer to potential energy available for release in a chemical reaction. Light energy is converted to chemical energy during photosynthesis. When a glucose molecule is catabolized to CO2 and H2O, chemical energy is lost. A photosynthetic cell within a plant leaf produces chemical energy, stored within glucose molecules.
Answer:
A photosynthetic cell within a plant leaf produces chemical energy, stored within glucose molecules.
Explanation:
The energy captured from sunlight by Photosystems in chlorophyll is used to split a water molecule and reduce carbon dioxide to carbohydrates. This energy from sunlight is therefore stored in the chemical bonds of the glucose molecules. It is thereafter harnessed during cellular respiration when the chemical bonds of glucose are broken and the energy transferred to make ATP molecules.
Answer:
Option A , Light energy is converted to chemical energy during photosynthesis.
Explanation:
In the process of photosynthesis, a plant containing chlorophyll converts solar light energy into chemical energy.
The common reaction of photosynthesis is
Carbon dioxide + Water + energy from sun ------> Glucose + carbon dioxide
Thus, energy from sun is used to excite photon with in the thalokoid of plant cell to initiate photosynthesis and then as a result of this process food (glucose containing chemical energy ) and carbon dioxide is formed.
Hence, option A is correct
6. Which term means "rainy cloud"?
A stratus
B cirrus
c nimbus
Dcumulus
Answer: Clouds that produce rain and snow are called "Nimbus" clouds.
Example: Two examples are the nimbostratus or the cumulonimbus clouds.
Answer:
c) Nimbus
Explanation:
Stated on the Essay of Modifications of Clouds in 1803 by Luke Howard, there is a special rainy cloud category that combines the three forms of clouds Cumulo+Cirro+Stratus, called 'Nimbus', an ancient Latin word that means Rain or Rain Storm.
The majority of precipitation comes from nimbus clouds, this clouds have the greatest vertical height and tend to appear dark gray because their depth and density of water droplets.
Which events are most likely if an index fossil is found in a layer at location 1, but the layer and index fossil are not found at location 2 nearby, which is known to be the same relative age? check all that apply?
Answer:
The layer never formed at location 2.
The organism did not exist at location 2.
The missing layer at location 2 may have eroded.
A short-lived structure formed during a collision is a[n] select one:
a. reagent.
b. catalyst.
c. inhibitor.
d. activated complex.
Answer:
d. Activated complexExplanation:
❣️个 jess bragoli 个❣️#keep learning!!The short-lived structure formed during a collision in a chemical reaction is known as the activated complex or transition state, which is a highly unstable arrangement of atoms with a brief lifespan.
Explanation:A short-lived structure formed during a collision in a chemical reaction is known as the activated complex or the transition state. This occurs when reactant particles collide with both proper orientation and sufficient energy. The activated complex is an unstable arrangement of atoms that exists at the peak of the activation energy barrier and has a very brief existence, around 10-13 seconds.
It can either revert to the original reactants or continue on to form products. This state is typically undetectable by standard analytical instruments, although sophisticated spectral measurements can sometimes observe these transition states.
What is the name of the protein found in erythrocytes that transports respiratory gases and provides the red color?
Answer:
hemoglobin
Explanation:
What does a biological community consist of? A. All of the different population of species in one geographic area
B. The biotic and abiotic items in the ecosystem
C. The water and carbon cycle
D. Phototrophs and autotrophs
Answer:
I believe the answer is
B. The biotic and abotic items in the ecosystem.
OR
A. All of the different population of species in one geographic area.
Explanation:
Biological community consisting of living organisms in different locations. For example, a forest trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.
A biological community consists of the biotic and abiotic items in the ecosystem.
What is biological community?The term "biological community" refers to a group of variables that includes both biotic and abiotic variables. The biological community is defined by the way the two components interact.
Trees, rocks, and soil are examples of abiotic factors that interact with biotic factors like plants and animals. The biological community functions in this manner.
Ecological succession is the process by which a population gradually alters its genetic composition. The community is therefore dynamic since it evolves over time. Communities can be huge with many species populations or tiny with few species.
Their interactions, known as interspecific interactions, have an impact on a community's composition, distribution, and abundance, or the quantity of each species present.
Thus, we can conclude that option B is correct.
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Select the correct answer. A chestnut-colored horse mates with a white-colored horse to produce a brown and white spotted offspring. What is the type of inheritance pattern?
Answer:
codominance
Explanation:
there is no blending of the two colours, both are shown equally and expressed in the proper colours not blended therefore they are both dominant and it is codominance
Answer:
codominance
Explanation:
Codominance is a situation where the alleles of a gene are active, that is, there is no dominance relationship between them, so the two alleles are expressed, as is the case with the horse shown in the question above.
Generally, in the formation of a phenotype, one allele stands out against the other (remember that every gene is formed by a pair of AA, Aa or aa alleles). For the father's eye color to be repeated in his son, for example, it is necessary that the gene that determines this characteristic has a dominant allele. The other allele of this gene in the child will be the recessive allele. It happens, in some cases, that the two alleles (recessive or dominant) have the same dominance relation over each other and there is a mixture of phenotypes of both. A beautiful example of this mixture is the birth of horse species with a spotted coat.
when is the diploid number restored to the zygote?
A.when the male and female haploid cells combine
B.when the male and female diploid cells combine
C.after the zygote is replicated
D.when the two zygotes develop into a haploid cell
Answer:
During sexual reproduction, fertilization of the ovum (n, 23 chromosomes) by the sperm (n, 23 chromosomes) restores the diploid number and creates a zygote (2n, 46)
when the male and female haploid cell combine
Which activity occurs when a flowering plant reproduces?
Hello There!
Flowering plants reproduce through the process called pollination. There are many different types of pollination
Answer:
Flowering plants require the formation of reproductive structures and pollination.
Explanation:
For flowering plants to reproduce, first the reproductive structures have to form (pistils and stamens) and then the pollen has to be taken from the first flower to the second or where the fertilization will happen. There are several ways to pollinate, including insects, or bigger animals like bats. After the animal is taking the pollen to another flower, it is fertilized and starts to transform into a fruit, where, later the seeds will also be carried by animals.
Which of the following is NOT a true statement about the papillary layer of the dermis: a. it is highly vascular b. it is the deepest layer of the skin c. it is located immediately beneath the epidermis d. it produces the pattern for fingerprints it contains nerve endings that respond to touch and temperature stimuli
Answer:
b.it is the deepest layer of the skin
Explanation:
The skin is a protective layer that covers all the body. It consists of three layers: epidermis, dermis and hypodermis.
The statement indicating that "the papillary layer of the dermis is the deepest layer of the skin" is not TRUE (Option C).The epidermis is the outermost layer of skin, which consists of keratinized epithelial cells.The dermis is the middle layer of the skin.The hypodermis is the subcutaneous fat layer beneath the dermis.In conclusion, the statement indicating that "the papillary layer of the dermis is the deepest layer of the skin" is not TRUE.
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When an individual stops breathing, brain cells die very quickly, but the cells in the heart are able to survive for longer. Which conclusion is best supported by these facts?
Answer:
because the blood in the heart gets what's left of oxygenated blood first. first come first serve concept. the heart cells survive longer because they have oxygenated blood longer and more frequently. if the person is not breathing the oxygen in the blood might run out by transferring to cardiovascular cells before it gets to the brain.
Explanation:
: Imagine you have a butterfly population that consists of red- and bluewinged butterflies. The butterfly population you produce will live in a heavily vegetated area with light green leaves and white flowers. Suppose you are able to mate the individuals in your imaginary butterfly population. Your goal is to create a population of butterflies with high fitness.
HURRY!!!!!
Benito is doing research on the effects of Florida's elevation on its climate. His notes include the following:
1. The average elevation of Florida is 30 m above sea level.
2. The highest point in Florida is Britton Hill, which is 105 m above sea level.
3. The change in temperature from 0 m to 1,000 m is 7 °C.
What can Benito conclude about the effects of Florida's elevation on its climate?
A.) Florida typically experiences cold temperatures and temperature changes within a narrow range.
B.) Florida typically experiences cold temperatures and temperature changes within a broad range.
C.) Florida typically experiences warm temperatures and temperature changes within a narrow range.
D.) Florida typically experiences warm temperatures and temperature changes within a broad range.
OPTION C.
Florida generally experiences warm temperatures due to its low average and highest elevations. The change in temperatures is also low, which means a narrow range of temperature variance.
Explanation:Based on the information provided, Benito can conclude that Florida typically experiences warm temperatures and the temperature changes within a relatively narrow range. This can be inferred from the fact that Florida's average and highest elevations are relatively close to sea level, and therefore, the effect of elevation on temperature would be minimal. As the temperature drop rate is 7°C per 1000 meters, the temperature difference within Florida's elevation range (from 0m to 105m) would be slight.
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Benito can conclude that Florida typically experiences warm temperatures and temperature changes within a broad range due to its low elevations.
Explanation:Benito can conclude that the effects of Florida's elevation on its climate include warm temperatures and temperature changes within a broad range.
Florida's average elevation of 30 m above sea level and the highest point at 105 m above sea level indicate that the state generally has low elevations. The change in temperature of 7 °C from 0 m to 1,000 m suggests that the temperature changes with increasing elevation. Therefore, Florida typically experiences warm temperatures and temperature changes within a broad range.
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Name the Organism interaction and relationships that we often see in living organisms
I think I know it's the last 2 answers I just want to know am I right or am I missing an answer?
Which statements correspond correctly to sexual reproduction?
the potential combinations are unlimited
variations have no boundaries
new genetic information is originated at fertilization
variations remain within created kinds
all genetic information comes from preexisting genes
Final answer:
The correct statements relating to sexual reproduction are that the potential combinations are indeed unlimited, variations have no boundaries, and although new genetic combinations arise, all genetic information derives from preexisting genes, and variations remain within created kinds.
Explanation:
In sexual reproduction, the combination of genetic material from two parents leads to offspring that have unique genetic makeups. The processes that contribute to this diversity include crossing-over during meiosis, independent assortment of chromosomes, and the random union of gametes at fertilization. As a result, sexual reproduction has the potential to produce a vast array of genetic combinations.
Regarding the given statements, we can say that the following are correct:
The potential combinations in sexual reproduction are indeed unlimited.Variations indeed have no boundaries due to the random nature of genetic recombination and gamete fusion.While new genetic information is not exactly originated at fertilization, the unique combination of existing genetic information from two parents does create a new genotype.Variations do remain within created kinds, meaning species tend to produce offspring within the same species.All genetic information indeed comes from preexisting genes; the combination of these genes, however, results in unique individuals.which of the individuals below would express a recessive trait?
A.Bb
B.BB
C.bb
C. bb
They have two recessive genes and therefore will be expressed.
Even though Bb has one recessive gene it will not show because the dominate overtakes the recessive. They are a carrier of the recessive gene though.
Hope this helped!
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When a scientist is conducting research about all the plants and wildlife in the Mojave Desert as well as the desert's resources, such as water and soil, the scientist is studying ____________________.A.) A community.B.) A population.C.) A species.D.) An ecosystem.
Answer:
D) An ecosystem
Explanation:
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows.
WILL GIVE BRAINLIEST!! Describe the life cycle of a fern. please do not give me an answer copied and pasted from google or something. i want an answer that makes sense , an answer that is understandable. I WILL REPORT AND HAVE YOUR ANSWER DELETED! sorry if im being harsh im just a little stressed
Answer:
ok
Explanation:
there is two stages of a fern first i belive is called gametphite
"i probley spelt that soooo wrong FYI" well the spores are produced on theunderside of grown plants these will germinate and began to age into omost the shape of a heart or triangle "sorry i dont rightly remmber XD" and thoses would be called gametphites sorry if this is still stress full but heres the second stage well its the adult stage i belive well the fertile gametophite begans to look like almost a mossy substince after days-weeks pass the moss type stuff will turn well look like some young fronds as i can only exspain well it starts to come out of the moss and it will be very sunlight sensitive it will die quikly from over sunlight because the stems are so small it can dry out in a hour or 2
i hope this helped a little at least have a good day