Intersexual selection may result in males that have very striking characters. How would natural selection interfere...
Intersexual selection may result in males that have very striking characters. How would natural selection interfere in this situation?
Homework Answers
Intra sexual selection occurs as a result of a sexual interaction between males and females of a species. Usually it is the male partners that develop striking feature to attract the female counterpart. The males of the species compete with the individuls of same sex in order to gain acess to the opposite sex.
Natural selection leads to the selection of most dominant or the male with most striking feature to be elected above the rest of the others.
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Intersexual selection may result in males that have very
striking characters. How would natural selection interfere...
Compare and contrast natural selection and sexual selection. What is the difference between intersexual and intrasexual...
Compare and contrast natural selection and sexual selection. What is the difference between intersexual and intrasexual selection? Give two examples of traits that are influenced by sexual selection and how they differ between males and females. How does the degree of sexual dimorphism in traits like these relate to the social organization of a particular species?
How is sexual selection different from natural selection, and why are the reproductive strategies of males...
How is sexual selection different from natural selection, and why are the reproductive strategies of males and females different?
Question 21 1 pts How does artificial selection differ from natural selection? the only real difference...
Question 21 1 pts How does artificial selection differ from natural selection? the only real difference is that humans, and not the environment is doing the selecting artificial section does not result in the diversification of phenotypes natural selection is better for you because it is natural artincial selection takes longer Question 22 Which of the following breeding systems typically leads to sexual dimorphism, where the males are larger and/or more ornate than females? promisculty polysyny monogamy O polyandry A...
Questino 7. How I genetic drift different from natural selection? A. Natural Selection occurs because some...
Questino 7. How I genetic drift different from natural selection? A. Natural Selection occurs because some alleles confer higher fitness, whereas genetic drift occurs because of sampling error. B. Natural selection has a stronger effect in large population, whereas genetic drift acts primarily in small populations. C. Natural selection is a mechanism of evoltion, whereas genetic drift is not a mechnaism but an outcome of evolution. D. Natrual selection tends to cause very rapid evolution whereas gentic drift tends to...
a. Why is heritability necessary for natural selection? How would you expect a trait for which...
a. Why is heritability necessary for natural selection? How would you expect a trait for which there is no resemblance between parents and offspring to change over time? b. Why is differential success among organisms with different variants of a trait necessary for natural selection? How would you expect a trait for which there is no differential success to change over time?
We expect natural selection and genetic drift to both result in the fixation of alleles, which...
We expect natural selection and genetic drift to both result in the fixation of alleles, which seems like it should reduce average heterozygocity in populations – there should be very little observed variation. However, we observe a tremendous amount of variation in populations. What can explain this observation?
1. Describe how the process of natural selection works, and how it results in adaptations (Darwin's...
1. Describe how the process of natural selection works, and how it results in adaptations (Darwin's Observations and Conclusions) • How does unequal reproductive success lead to natural selection? What are adaptations? Explain Darwin’s observations and conclusions. • Describe evolution by natural selection? What are some important points about evolution? 2. Describe examples of and evidence for evolution by natural selection that can be seen in your daily life. 3. Discuss the different kinds of evidence that support the theory...
Humans have taken our knowledge of natural selection and manipulated it artificially to produce a variety...
Humans have taken our knowledge of natural selection and manipulated it artificially to produce a variety of domesticated animals. All breeds of dogs have been produced by this artificial selection. From a wolf ancestor, describe what types of selection patterns have occurred to result in the variety of dogs we see today. difcorent tudes
Why would natural selection not minimize costs (in the form of symptoms) of evolved defenses? (choose...
Why would natural selection not minimize costs (in the form of symptoms) of evolved defenses? (choose all that apply) Question options: Minimizing costs increases the risk of failing to kill a pathogen Minimizing costs could mean lower reproductive success The result of natural selection isn’t minimization of discomfort, it is optimal reproductive success (for genes, over many generations) If symptoms such as sneezing, coughing, fever, etc. are helpful, why aren’t we harming ourselves by taking medications to reduce these symptoms?...
This are the questions you need to answer: In mammals, males often have greater variance in...
This are the questions you need to answer: In mammals, males often have greater variance in reproductive success than females, as a result of sexual selection. How will this alter the effective levels of allelic variation in genes on the autosomes, the X chromosome, the Y chromosome and the mitochondrial genome? What other factors may influence the genetic diversity in these different parts of the genome? Discuss this question and potential answers with one another by posting your answers on...
Compare and contrast natural selection and sexual selection. What is the difference between intersexual and intrasexual selection? Give two examples of traits that are influenced by sexual selection and how they differ between males and females. How does the degree of sexual dimorphism in traits like these relate to the social organization of a particular species?
Question 21 1 pts How does artificial selection differ from natural selection? the only real difference is that humans, and not the environment is doing the selecting artificial section does not result in the diversification of phenotypes natural selection is better for you because it is natural artincial selection takes longer Question 22 Which of the following breeding systems typically leads to sexual dimorphism, where the males are larger and/or more ornate than females? promisculty polysyny monogamy O polyandry A...
Humans have taken our knowledge of natural selection and manipulated it artificially to produce a variety of domesticated animals. All breeds of dogs have been produced by this artificial selection. From a wolf ancestor, describe what types of selection patterns have occurred to result in the variety of dogs we see today. difcorent tudes
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