2. What are some ways the stars in the photo could be grouped
or classified?

Wht happens as electrons in the electron transport chain release their energy

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).

An easy way to calculate the amount of energy available at each level is to what?