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Question 1

Fisher developed his model partly because so much observational data suggested that the 1:1 sex ratio was common to nature and he wanted to understand why. Is there any natural ordering when it comes to empirical and theoretical approaches?

Answer 1

Good theory can either precede or postdate data collecting

Question 2

Which of the following statements is (are) true in the absence of competition from other males?

Answer 2

B and C:

The quantity of sperm a male used to inseminate a female decreased &
Once a male has inseminated a female, additional sperm may do little to increase the probability of fertilization