Why are sexual dimorphism and gregariousness often linked?
Why are sexual dimorphism and gregariousness often linked?
Homework Answers
Q.Why are sexual dimorphism and gregariousness often linked?
Answer-:
Sexual dimorphism is condition where the two sexes of the same species exhibit different characteristics beyond the differences in their sexual organs. The condition occurs in many animals and some plants. Differences may include secondary sex characteristics, size, weight, colour, markings, and may also include behavioral and cognitive differences. These differences may be subtle or exaggerated, and may be subjected to sexual selection and natural selection.
gregarious - instinctively or temperamentally seeking and enjoying the company of others; "he is a gregarious person who avoids solitude" social - living together or enjoying life in communities or organized groups; "a human being is a social animal"; "mature social behavior".
Explain why sexual selection results in sexual dimorphism, while natural selection does not.
Explain why sexual selection results in sexual dimorphism, while natural selection does not.
(a) Sexual selection often leads to sexual dimorphism; this sometimes results in males being more colourful....
(a) Sexual selection often leads to sexual dimorphism; this sometimes results in males being more colourful. Explain this under the good genes hypothesis (b) Focusing on males what is this type selection an example of (stabilising, directional or disruptive)? (c) Thinking about males and females what type of selection is this?
Review of Phylum Nematoda: 1. Nematodes exhibit sexual dimorphism. Define the term - sexual dimorphism. How...
Review of Phylum Nematoda: 1. Nematodes exhibit sexual dimorphism. Define the term - sexual dimorphism. How did you know which nematode was male or female?
what force of evolution explains sexual dimorphism? why does this force of evolution sometimes result in...
what force of evolution explains sexual dimorphism? why does this force of evolution sometimes result in traits that are counter intuitive from the point of view of natural selection?
oup Questions: .Sexual dimorphism is usually seen in polygynous species. What does polygyny mean? mole one...
oup Questions: .Sexual dimorphism is usually seen in polygynous species. What does polygyny mean? mole one Paltner What might we suspect if see sexual dimorphism in monogamous species? How might we test our ideas? What are the direct benefit, indirect benefit, and senso models of female choice? How do polyandrous species turn sexual selection on its head? mone made h the nest one 8
Sexual dimorphism, or phenotypic differences between the sexes within a population, would be expected when: a....
Sexual dimorphism, or phenotypic differences between the sexes within a population, would be expected when: a. there are difference in reproductive investment between males and females b. There is no variation in phenotype between males and females c. there is no sexual selection on males or females d. investment in reproduction between males and females is equal e. heritability is zero
1.Sexual dimorphism levels among Homo erectus were relatively high, like the earlier hominins. A.True B.False
1.Sexual dimorphism levels among Homo erectus were relatively high, like the earlier hominins. A.True B.False
What are the characteristics of X-linked recessive traits and X-linked dominant traits? Explain this by using...
What are the characteristics of X-linked recessive traits and X-linked dominant traits? Explain this by using examples. How do human cells compensate for the X-linked gene dosage difference in XX and XY nuclei? How are autosomal genes are influenced to sexual dimorphism?
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?
Why does the fitness of a phenotype depend on frequency-dependent selection? A. Because selection favors the...
Why does the fitness of a phenotype depend on frequency-dependent selection? A. Because selection favors the least common phenotype. B. Because the least number of alleles are at that locus. C. Because sexual selection produces dimorphism. OD. Because frequency-dependent selection acts against extreme phenotypes.
Review of Phylum Nematoda: 1. Nematodes exhibit sexual dimorphism. Define the term - sexual dimorphism. How did you know which nematode was male or female?
oup Questions: .Sexual dimorphism is usually seen in polygynous species. What does polygyny mean? mole one Paltner What might we suspect if see sexual dimorphism in monogamous species? How might we test our ideas? What are the direct benefit, indirect benefit, and senso models of female choice? How do polyandrous species turn sexual selection on its head? mone made h the nest one 8
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?
Why does the fitness of a phenotype depend on frequency-dependent selection? A. Because selection favors the least common phenotype. B. Because the least number of alleles are at that locus. C. Because sexual selection produces dimorphism. OD. Because frequency-dependent selection acts against extreme phenotypes.
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