| A | B |
| migration | to move |
| hibernation | to pass winter in a resting state |
| mimicry | to copy |
| camouflage | to disguise oneself by blending into the environment |
| predator | to hunt a living organism with intentions to kill |
| prey | to be hunted by another living organism |
| carnivore | an animal that only eats meat |
| herbivore | an animal that only eats plants |
| omnivore | an animal that eats both plants and animals |
| instinct | a behavior based on automatic reactions |
| learned behavior | a behavior that has to be taught |
| consumer | one that consumes(takes in) |
| producer | one that produces (makes) |