place each example into the corresponding characteristic used to distinguish species.
Morphological traits
Reproductive isolation
Molecular features
Ecological factors
Answers
Morphological Traits: the quantity of stamens in a flower.
Frequency and length of sounds in frog mating calls: reproductive isolation.
Amoeba mRNA sequences are one of the Molecular Features present.
Ecological Factors include the section of the tree occupied by warblers for breeding and the salt marsh plants' susceptibility to saltwater.
Reproductive isolation is the inability of a species to successfully reproduce with other species because of geographical, behavioural, physiological, or Molecular Features, genetic barriers or differences. The Morphological Traits shape and structure of an animal's internal organs and bones, as well as changes to its outward appearance, are all examples Molecular Features of Morphological Traits features. For example, a snowshoe hare has large back feet for swift movement and a white coat for stealth, making it more than prepared for the winter weather.
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Related Questions
PLEASE PLEASE PLEASE HELP GIVING BRAINLY
Changes in ____ result in a change in protein structure which alters the ____-type of the organism and MIGHT increase _____.
Answers
Answer:
DNA, genotype and resistance.
Explanation:
Change in DNA of an organism results in a change in the shape and structure of protein because DNA has the codes of instructions on the basis of which ribosomes synthesis proteins for the cell. This change occurs due to mutation in the DNA sequence that causes change in protein. Due to this mutation, the genotype of an organism changes and might increases its resistance that leads to its survival in that environment so we can say that mutation has good effects on the organisms.
A friend confides that she desires to have children but is having trouble conceiving. Which of the following is true regarding implantation
An estimated 60% of implanted embryos later miscarry due to genetic defects of the
embryo.
Detection of human chorionic gonadotropin (hCG) in blood or urine indicates failure of
the blastocyst to implant.
In cases where implantation fails to occur, a nonreceptive uterus becomes receptive once
again.
It is estimated that a minimum of two-thirds of all zygotes formed fail to implant by the
end of the first week or spontaneously abort.
Answers
A friend confides that she desires to have children but is having trouble conceiving. The following is true regarding implantation is a. an estimated 60% of implanted embryos later miscarry due to genetic defects of the embryo.
This occurs when the embryo has genetic abnormalities that prevent it from developing further, leading to miscarriage. Additionally, it is estimated that a minimum of two-thirds of all zygotes formed fail to implant by the end of the first week or spontaneously abort, this can be due to various factors such as poor embryo quality, inadequate uterine lining, or hormonal imbalances. On the other hand, detection of human chorionic gonadotropin (hCG) in blood or urine does not indicate failure of the blastocyst to implant.
In fact, hCG is a hormone produced by the placenta after implantation and is a positive sign of pregnancy. Lastly, in cases where implantation fails to occur, a nonreceptive uterus may become receptive once again. This can happen after the appropriate hormonal and physiological changes take place, allowing for another chance at successful implantation in a future menstrual cycle. So therefore regarding implantation, it is true that a. an estimated 60% of implanted embryos later miscarry due to genetic defects of the embryo.
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Two students are talking about what they learned in class. One says, "sex is biological, not socially constructed." Support or oppose the argument that sex is biological and not socially constructed. Use at least two course materials (articles, videos, podcasts, etc) to make your point.
Answers
Sex is a biological trait that refers to the observable physical and genetic characteristics that distinguish males from females. It is frequently assumed that sex is based on biological or genetic characteristics rather than social and cultural aspects.
The physical variations between males and females, such as genitalia and breasts, are some examples of sex differences. Thus, it is a biological characteristic rather than a social one. Both social constructionism and biological determinism, on the other hand, have opposing perspectives on gender. Biological determinism emphasizes that gender differences are inborn, while social constructionism emphasizes that they are socially produced. According to the social constructionism perspective, gender identity and the roles associated with it are the product of socialization and cultural expectations, whereas biological determinism focuses on innate biological differences and the impact of biology on gender.
The claim that sex is a biological trait and not socially constructed can be supported by two course materials. The article "Sex as Biological and Gender as a Social Construct" by Anne Fausto-Sterling argues that sex is a biological characteristic because it is based on genitalia and chromosomes, while gender is socially constructed. This article suggests that sex is primarily concerned with physical characteristics, while gender is linked to social and cultural expectations, which is consistent with the idea that sex is biological and gender is social.
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what is the ratio of dominate to recessive phenotypes?
1:3
3:3
3:0
3:1
Answers
The ratio of dominant to recessive phenotypes is 3:1.
what are dominant and recessive alleles?
Alleles are various variations of a gene. Depending on the features they are related with, alleles are classified as either dominant or recessive.
Dominant alleles are seen even if the individual only has one copy of the allele (also known as being heterozygous). Only individuals with two copies of a recessive allele experience its effects (also known as being homozygous).
Hence, the option is d. 3:1
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why active transport requires energy
input by the cell.
Answers
Answer:
Active transport requires energy because substance move from low concentration to a high concentration. (Going against the concentration gradient)
Example:
For example, in the root hair cell minerals and ions are absorbed into the plant by active transport and you will find a lot of mitochondria in the root hair cell. So, it can supply the cell energy by aerobic respiration to undertake active transport.
What characterizes the difference between confirming an established hypothesis and opposing it? Opposing an established hypothesis is associated with pleasure and liberation of dopamine b. Confirming an established hypothesis engages brain circuits similar to those activated by fear Opposing an established hypothesis engages circuits in the reward part of the brain d. Confirming an established hypothesis engages circuits in the reward part of the brain C.
Answers
The main difference between confirming an established hypothesis and opposing it is that confirming an established hypothesis engages circuits in the reward part of the brain, while opposing an established hypothesis engages circuits in the brain associated with pleasure and the release of dopamine. This is because when we confirm an established hypothesis, we are essentially reinforcing what we already know to be true, which is a rewarding experience.
On the other hand, when we oppose an established hypothesis, we are challenging what we know to be true and potentially discovering new information, which can be an exciting and pleasurable experience. In short, the main difference between confirming and opposing an established hypothesis is that confirming engages the reward circuits of the brain, while opposing engages the pleasure and dopamine-releasing circuits of the brain.
Answer: d. Confirming an established hypothesis engages circuits in the reward part of the brain.
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Why can Zoologist learn about evolution from studying Mollusks?
Answers
Among mollusks are worm-like aplacophorans, snails, slugs, etc. Their phenotypic diversity makes them suitable for studying animal evolution. Therefore, zoologist can learn a lot about evolution.
Why do Zoologists study mollusks?Mollusks play a significant role in the engineering of ecosystems, contributing to the structure of aquatic bottom environments and offering habitat, protection, and food to a diverse range of other taxonomic groups. Mollusks have been essential to humans in many different ways throughout history, and they continue to be an economically important group on a global scale today.
Mollusks come in a wide variety of morphological forms, some of which include worm-like organisms called aplacophorans, snails and slugs, bivalves, and cephalopods. Mollusks are classified under the class Mollusca. Their wide range of phenotypes makes them an excellent subject for research on the evolution of animal species.
Mollusks are significant in a number of different contexts, including the culinary industry, the decorative arts, the jewelry industry, and scientific research. They are so versatile that even roadbed material and vitamin supplements make use of them.
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I need a short summary of the carbon cycle!!!!
Answers
Answer:
The carbon cycle, as the name suggests is the system in which carbon moves through the biogeochemical spheres. These include the biosphere, lithosphere, atmosphere, and hydrosphrere. The actions that move carbon through each part are called fluxes. Fluxes in the carbon cycle are balanced, as shown in cellular respiration, photosynthesis, and decomposition. However, human activity has disrupted it, making the production of carbon dioxide to the atmosphere and hydrophere harmful to life.
student places living cell into a drop of liquid containing a 5% sugar solution. After 30 mins the student notices that the liquid contains less than 5% sugar. explain what had happened
Answers
Which two claims about cats are based on scientific way of knowing
Answers
Answer:
First claim '' cats are very smart animal''.
Second claim '' cats make bonds with humans''.
Explanation:
There are two claims that are scientifically proven about cats i. e. cats are very smart animal because they have highest number of neuron about 300 millions present in their brain which gives them the ability of intelligence and problem solving. They make emotional bonds with their owners just like dogs and can be trained by their owners so that's why many people make cat as a pet animal in their houses..
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Do you think that plants can get the building materials they need to grow from soil wateror air? Which ones? Explain your answer
Answers
Which environmental group is most closely associated with mountain climbing, backpacking, and camping? A. Environmental Defense Fund B. Greenpeace C. Sierra Club D. World Wildlife Fund
Answers
The environmental group is most closely associated with mountain climbing, backpacking is Sierra Club, option (C) is correct.
The Sierra Club is most closely associated with mountain climbing, backpacking, and camping. Founded in 1892, the Sierra Club is one of the oldest and largest environmental organizations in the United States. It has a long history of promoting outdoor recreational activities and conservation efforts in natural landscapes, particularly in mountainous regions.
The club's members and supporters actively engage in activities such as hiking, backpacking, and camping, often in environmentally sensitive areas. The Sierra Club advocates for the protection of wilderness areas, preservation of ecosystems, and sustainable outdoor recreation practices. Through its outings programs and conservation campaigns, the Sierra Club encourages people to connect with nature, experience the beauty of mountains, and develop a sense of stewardship towards the environment, option (C) is correct.
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(ii) D is a vein. State the name of this vein and describe its structure.?
name description of structure.?
Answers
Answer:
Inferior venacava is a D vein
Vein is defined has been defined as the blood vessel that carries blood to the heart from tissues and organs in the body.
What is vein?The arteries, which are three-layered blood vessels, transport oxygen-rich blood from the heart to the body's tissues. The three-layered blood channels known as arteries carry oxygen-rich blood from the heart to the body's tissues.
Collagen and elastic fibres are present in the connective tissues that make up the outer layer, which supports the blood artery. The intermediate layer is composed primarily of elastic fibres, collagen, and smooth muscles.
The flexibility and strength are provided by this layer. The wall may stretch because of its elastic fibres. Because of the smooth epithelial cells that make up the inner endothelium, friction is reduced. In terms of structure, veins and arteries are comparable, with the exception of these three thin and elastic layers.
Therefore, Vein is defined has been defined as the blood vessel that carries blood to the heart from tissues and organs in the body.
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write the UNBALANCED chemical equation for photosynthesis. don't forget to include energy
Answers
Answer:
ubalanced chemical equation for photosynthesis
The wings of species X and Y are built on same basic pattern but are modified for flying. Based on the statement, discuss the type of evolution they represent.
Answers
Biologists can explain how a species of fly without wings evolved from an ancestral fly species with wings through environmental adeptness.
The wings of species X and Y are built on same basic pattern but are modified for flying?Environmental change is any change in an ecosystem or environment that warrens adaptability from the inhabiting organisms in order to survive. The ability to adapt to these changes is known as environmental adeptness. This is a form of evolution in which an organism will generate or loose characteristics in response to changes in its way of life.Biologist can explain how a species of fly without wings evolved from an ancestral fly species with wings through environmental adeptness because the presence of unnecessary wings would have caused the expenditure of energy with no benefit to the fly, therefore, the offspring of a fly who lives in an environment which has no need for the ability to fly will gradually loose their wings in order to retain more energy and function more efficiently. This is evolution through environmental adaptedness.Many species share much the same DNA: All living things have DNA molecules that encode all genetic information. Among living things there are similarities and sharing of parts of DNA. This is strong evidence of species evolution. An example of this is the similarity between humans and chimpanzees.Plant and animal cells have almost all of the same structures: Although there are some differences, plant and animal cells share almost all cell structures. This is a strong indication of how life has evolved on our planet.To learn more about species and wings refer to:
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Instructions: Read the articles to answer the following questions/
1. Where does the energy in an ecosystem come from? How do organisms use this energy?
What happens to the energy after it is used by an organism?
Answers
Energy is moved between life forms in food networks from makers to shoppers. The energy is utilized by organic entities to do complex errands.
The process of photosynthesis in plants transforms the vast majority of the energy that is present in food webs into chemical energy, which comes from the sun.
How does energy reach living things and where does it originate for all living things?The Sun is the significant wellspring of energy for creatures and the biological systems of which they are a section. Producing organisms, such as plants and algae, combine carbon dioxide and water to form organic matter, which uses sunlight's energy to generate food energy. Almost all food webs begin their energy flow through this process.
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Please select the word from the list that best fits the definition
when an intermediate form is expressed in offspring
Answers
In incomplete dominance, neither of the alleles dominates over the other one. The result is a third intemediate phenotype expressed by the heterozygous individuals. Ans. Incomplete dominance.
What is incomplete dominance?Incomplete dominance is an inheritance pattern in which the involved alleles are not dominant or recessive. In these cases, neither of the alleles completely dominates over the other one.
A third phenotype is expressed. Heterozygous descendents possess an intermediate phenotype between the parental phenotypes. The progeny is different from both homozygous parentals and expresses as a mixture of both of the homozygous progenitors.
The selected words must be incomplete dominance ⇒ when an intermediate form is expressed in offspring.
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if a persons blood with unknown blood type is mixed with antibodies for a antigen and no agglutination has occurred. The blood group might be:
a-A b-B c-O d-both(b&c)
Answers
I'm not sure, but I think it's a-A
Goldenrod gall flies lay their eggs in the goldenrod plant. The fly larvae cause the plant to form a gall, a swollen growth of plant tissue. Large galls tend to be pecked open and their larvae eaten by birds. Small galls are more frequently parasitized by tiny wasps, whose larvae eat the fly larva and take over the gall. This is what type of selection
Answers
The type of selection described in the given scenario is "frequency-dependent selection."
Frequency-dependent selection occurs when the fitness of a particular trait or phenotype depends on its frequency in the population. In this case, the fitness of the gall size is dependent on its frequency relative to the presence of predators and parasites. Large galls are more likely to be pecked open by birds, which reduces the survival of the fly larvae inside. On the other hand, small galls are more likely to be parasitized by tiny wasps, leading to the survival of the wasp larvae instead. Therefore, the fitness of a particular gall size depends on the frequency of that gall size within the population.
Frequency-dependent selection is an important mechanism in evolutionary biology that helps maintain genetic variation within a population. When a trait or phenotype becomes too common, it becomes more susceptible to negative interactions, such as predation or parasitism. This creates a selective advantage for individuals with less common traits, leading to a dynamic equilibrium where different traits can coexist.
In the case of the goldenrod gall flies and their galls, the frequency-dependent selection acts as a balancing mechanism. Large galls have a disadvantage due to increased predation, while small galls have a disadvantage due to increased parasitism. This creates a selective pressure that favors a mixture of gall sizes, preventing any one size from dominating the population. The presence of both birds and tiny wasps helps maintain this equilibrium by providing selective pressures on different gall sizes.
Frequency-dependent selection is just one of the many types of selection that can shape the evolution of populations. By understanding these mechanisms, scientists can gain insights into the diverse strategies organisms employ to survive and reproduce in their environments.
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you want to determine whether a tall pea plant is homozygous for tall height ot heterozygous for tall height . in order to know, what must the other contributing parent genotype be to determine the tall pea plant genotype? hint: think back to the example about dog deafness
Answers
Based on the provided hint, in order to determine whether a tall pea plant is homozygous or heterozygous for tall height, the other contributing parent genotype must be heterozygous for tall height.
In the example about dog deafness, it was explained that the deafness in dogs is a recessive trait, and the deafness genotype is dd.
If a deaf dog is crossed with a hearing dog, the deaf dog must be homozygous for the deafness allele (dd), and the hearing dog must be heterozygous (Dd) for the deafness allele in order to determine whether the offspring will be deaf or not.
Similarly, in order to determine whether a tall pea plant is homozygous (TT) or heterozygous (Tt) for tall height, it must be crossed with a pea plant that is known to be heterozygous for tall height (Tt).
If the offspring are all tall, the tall parent is likely homozygous (TT) for tall height. If the offspring are a mix of tall and short plants, the tall parent is likely heterozygous (Tt) for tall height.
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In what way might a virus contribute to cancer formation? Select the two ways. Proviral DNA may bring in an oncogene during an infection. Proviral DNA may integrate near a proto-oncogene and alter its expression. Proviral DNA may bring in a tumor-suppressor gene during an infection. Proviral DNA may integrate near an oncogene and alter its expression. Proviral DNA may bring in a proto-oncogene during an infection.
Answers
A virus can contribute to cancer formation by two ways: proviral DNA may bring in an oncogene during an infection, and proviral DNA may integrate near a proto-oncogene and alter its expression.
Viruses can play a role in cancer development by integrating their genetic material into the host cell's DNA. This integration can lead to various effects on the host cell's genome, including the activation of oncogenes or the alteration of tumor suppressor genes. One way a virus can contribute to cancer formation is by bringing in an oncogene during an infection. An oncogene is a gene that has the potential to cause cancer when it is activated or overexpressed. When the viral DNA integrates into the host cell's genome, it may introduce an oncogene, which can lead to uncontrolled cell growth and contribute to cancer development. Another way is when the proviral DNA integrates near a proto-oncogene and alters its expression. Proto-oncogenes are normal cellular genes that regulate cell growth and division. However, if the viral integration occurs near a proto-oncogene, it can disrupt its normal regulation, leading to increased expression or activity of the proto-oncogene, which can result in abnormal cell growth and contribute to cancer formation.
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Help, please I'll give brainless but the answer got to make sense
Answers
Answer:it’s a machine to weave cloth
Reason: there was too much demand to do it by hand
Importance: it’s important because it changed the way people worked in the textile industry as they didn’t have to weave cloth by hand anymore and it saved tons of time
Reason: there was too much demand to do it by hand
guys... I need answers
Answers
Answer:I have a question too HOW DO wait never mind sorry just keep reading please... ok how do I log out or switch accounts I really need to but it won’t let me congrats I wasted your time yay
Explanation:
Answer:
Hey there!
1. They are soft and spongy because they are mostly made of air spaces.
2. The trachea, which is also called the windpipe, is a tube that connects the larynx to the bronchi of the lungs.
3. Breathing through nose is better, because it can allow for more oxygen to get to the tissues.
4. You can use something called limewater. It turns a milky color in the presence of carbon dioxide.
5. Smoking and air pollutions are big causes of breathing problems.
Let me know if this helps :)
which niche in a community would have the most number of organisms? the fewest?
Answers
Explanation:
Communities with the lowest species richness lie near the poles, which get less solar energy and are colder, drier, and less amenable to life. This pattern is illustrated below for mammalian species richness (species richness calculated only for mammal species, not for all species).
Which is an example of codominance
Answers
Answer:
3 I think.... If correct Brainliest will take it :)
Explanation:
how can secondary succession contribute to the carbon cycle?
Answers
Secondary succession is a natural process of ecological recovery that occurs after a disturbance, such as a fire or a clear-cutting. During secondary succession, new plants and animals colonize the area, and the soil gradually becomes richer in nutrients. As the plants grow, they absorb carbon dioxide (CO2) from the atmosphere during photosynthesis and store the carbon in their tissues.
As the plants die and decompose, the carbon in their tissues is released back into the atmosphere as carbon dioxide or is stored in the soil. This process contributes to the carbon cycle by cycling carbon through the biotic and abiotic components of the ecosystem.
In addition, secondary succession can also lead to the establishment of new forests, which are important carbon sinks. Forests absorb and store large amounts of carbon dioxide from the atmosphere, helping to mitigate the impacts of climate change.
Overall, secondary succession plays an important role in the carbon cycle by facilitating the growth and storage of plants, which helps to regulate the levels of carbon dioxide in the atmosphere.
How many pairs of chromosomes do you have in your body?
Answers
The atmosphere keeps the earth's temperature steady.
A. True
B. False
Answers
true, the atmosphere is like a blanket
54:45
A dieaed cell i no longer able to produce protein. Which cell tructure i mot likely malfunctioning?
cell membrane
cytoplam
riboome
mitochondrion
Answers
A dead cell is incapable of producing protein. The cell structure that is most prone to be broken down is the ribome.
What happens to proteins when the cell dies?Normally dormant proteins called caspases are activated by the cell. The cell is destroyed from within by these caspases. The dying cell fragments into tiny bundles that can be absorbed by other cells.The death receptor (the extrinsic pathway) and the mitochondrial (the intrinsic pathway) signalling pathways are the two main signalling mechanisms that cause apoptotic cell death.The mitochondrion, which accounts for the correct answer e, is the organelle that is most active in inducing programmed cell death. The organelle that provides the cell with the energy it needs is the mitochondrion. A protein that breaks down the cell is also released by them from between the mitochondrial membranes. When a cell membrane is damaged, the organelles of the cell leak outside and the cell loses its identity.To learn more about cell refer to:
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which type of proteins move needed substances or waste materials through the plasma membrane?
Answers
Transport proteins help the plasma membrane transfer both necessary and unwanted molecules.
Proteins called "transport proteins" are responsible for moving materials across cellular membranes. In the membrane itself, transport proteins create a channel or a carrying mechanism that enables their substrate to move from one side to the other. Three different classes of transport proteins are involved in assisted diffusion: channel proteins, gated channel proteins and carrier proteins. A channel protein, a subclass of transport protein, functions as a pore in the membrane by rapidly allowing water molecules or tiny ions to pass. In order to move the specific solute being transported across the membrane, carrier proteins—also known as carriers, permeases, or transporters—bind the target solute and go through a sequence of conformational changes.
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