What are primates more closley related to amphibians or reptiles

Flock x flock y flock z total pieces of food eaten (from previous page) 147 93 60 food percentage* % % % simulated number of birds in flock for 3rd generation** * divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** multiply the food percentage for each flock by the total number of birds (30).

Which description provides the best objective summary of the article in the passage?

How does the nervous system affect the excretory system?