1. Carbohydrates and lipids are
examples of compounds.
O protein
O organic

Which of these is not a function of some membrane proteins ? a.allowing polar molecules to enter the cell b.recognizing other types of cells c.receiving messeges from other cells b.carrying messages to oher cells

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

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.