| A | B | 
|---|
| adaptation | any body part, behavior, or physiological capability that increases an animal's ability to survive in its environment. | 
| behavior | - anything an animal does involving action and/or response to stimulation. | 
| biome | The world's major communities, classified according to the predominant vegetation and characterized by adaptation of organisms to that particular environment. | 
| camouflage | ration that blends in with the surrounding environment. | 
| counter shading | dark and light colors are a form of camouflage. | 
| conservation | taking care of our environment by wisely managing its resources | 
| ecosystem | a unit of plants, animals, and nonliving components of an environment that interact. | 
| environment | the total surroundings and forces that act upon a living thing. | 
| endangered species | a species of plant or animal of which numbers are decreasing at an alarming rate and is threatened with extinction by human-made or natural changes in the environment. | 
| extinct | no longer existing on the Earth. | 
| habitat | the place where an animal lives | 
| herbivore | an animal that eats only plants | 
| carnivore | an animal that eats only animals | 
| omnivore | an animal that eats both plants and animals | 
| predator | an animal that hunts other animals | 
| prey | v: to hunt and eat other animals.  n:   an animal eaten by another animal | 
| invertebrate | an animal with no backbone | 
| vertebrate | an animal with a backbone |