What dictates how we assemble amino acids to build proteins, tissue, and organs?
A) Non-essential amino acids
B) Essential amino acids
C) DNA
D) Fatty acids

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

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

What pattern of migration do whales follow?