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?
Homework Answers
Natural selection means a process in which organism adapted to their environment and produce offspring for increasing their population.
Sexual selection include selection based on mate choice. In this, males and females require certain character in their mate based on which they select them.
Females select those males which give better fitness genes to their offspring for adapting in environment with greater diversity.
Mainly Males see those female who can care their offspring well
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How is sexual selection different from natural selection, and
why are the reproductive strategies of males...
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?
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.
1) Sexual selection usually acts more strongly on males, i.e., males compete with other males for...
1) Sexual selection usually acts more strongly on males, i.e., males compete with other males for access to females, and females choose among potential male mates. Give one specific example of role-reversed mate choice (the male chooses among females) (1). What kinds of female traits do males base their choice on (1)? What types of benefits do males receive (1)? How does this differ from female mate choice (2)? Please help!
(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?
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...
Please fill in the blank In terms of evolved reproductive strategies, in general, males evolved to...
Please fill in the blank In terms of evolved reproductive strategies, in general, males evolved to maximize_________ effort, __________ of offspring; whereas females evolved to maximize___________ effort, __________ of offspring.
Starting with fundamental difference between the sexes, explain why males tend to be under stronger sexual...
Starting with fundamental difference between the sexes, explain why males tend to be under stronger sexual selection than females.
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
Exercise: Terms of Sexual Selection Instruction: Connect each term against its appropriate description through a line...
Exercise: Terms of Sexual Selection Instruction: Connect each term against its appropriate description through a line to match. Drag a line from each term on the left side to the corresponding description on the right side. Alternative mating strategies Selection that acts directly on a locus. Direct benefit A difference in the ability of an organism to perceive different stimuli (e.g., low vs high frequency sounds). Direct selection The gonads and closely associated structures that distinguish males and females. Fisher's...
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...
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...
Exercise: Terms of Sexual Selection Instruction: Connect each term against its appropriate description through a line to match. Drag a line from each term on the left side to the corresponding description on the right side. Alternative mating strategies Selection that acts directly on a locus. Direct benefit A difference in the ability of an organism to perceive different stimuli (e.g., low vs high frequency sounds). Direct selection The gonads and closely associated structures that distinguish males and females. Fisher's...
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