Sand tiger shark females that allow for intrauterine siblicide annually conceive

Question

Sand tiger shark females that allow for intrauterine siblicide annually conceive an average of 16 shark pups, give live birth to an average of 1.8 shark pups, and go on to proudly see an average of 0.8 of their pups reach sexual maturity. More tender-hearted sand tiger shark females that repress intrauterine siblicide annually conceive an average of 16 shark pups, give live birth to an average of 5.6 shark pups, and go on to proudly see an average of 0.5 of their pups reach sexual maturity. What can we say is true regarding the average evolutionary pay-offs of these strategies?

Explanation / Answer

Sand tiger shark females that allow for intrauterine siblicide annually conceive

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