How do different spheres of earth interact?

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).

Building glycogen from glucose molecules is an example of what

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?