B

biome

a complex community of plants and animals

biosphere

the part of the earth that supports life

C

community

a group of plants and/or animals living in the same area

critical habitat

a habitat that is critical for the existence of an endangered species

D

defend

to guard from an attack

E

ecosystem

animals reacting with the plants in their community

endangered species

an animal at risk of extinction

extinction

the complete disappearance of a type of organism

H

habitat

a special place where a plant or animal lives

I

interact

when one thing acts upon another

L

living

an organism that consumes food, air, and grows

N

niche

a job that an organism holds in a community

non-living

something that does not consume food or air and does not grow

O

organism

a form of life

P

population

the total of living organisms in a given area

protection

to keep from harm

R

resources

the supply of things needed to survive

roam

to wander

S

shelter

a protection to the body of an organism

species

a group of creatures related in some way

survive

to continue to live

T

territory

the area where an animal moves around