Multiple Choice
The figure below shows that male Rhodeus amarus fish have a greater variance in their total number of offspring than female Rhodeus amarus fish.Why is the mean number of offspring the same for both sexes? 
A) It is simply a coincidence in this particular data set.
B) The population is of constant size.
C) Every offspring has one male parent and one female parent.
D) The sex ratio in this population is 50:50.
E) B and D
Correct Answer:

Verified
Correct Answer:
Verified
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