What new categories would you use to make a graph that classifies animals that move in more than one way?

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

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).

Why is excretion necessary to maintain homeostasis?