Cuticle is made of
Lipids
Carbohydrate
Nucleic acid
Protein

There are six elements that make up most of the human body. which of the following is not one of these six elements?

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?