What 5 sections are ice cores divided into

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

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).

What did hunter gathers do to alter the environment?