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100

pollution

anything that makes the water, air, or land dirty

100

endangered

an animal that is close to being extinct

100

building, planting, polluting

how people change the environment

100

3 defenses animals use

talons, teeth, quills

200

adaption

a change that allows a living thing to survive

200

camouflage

what living things use to blend into their surroundings

200

mimicry

when an animals acts like a different animal

200

1 way people change the environment

building

300

migration

a mass movement from one place to another

300

hibernation

to go into a deep sleep

300

prey

animal that is food for another animal

400

competition

when living things try to use the same resources

400

environment

all the nonliving things surrounding an organisim

400

3 basic needs

food, water, shelter  

500

organism

any living thing

500

why do animals live in groups

to protect their young

500

ecosystem

all the living and nonliving things in an area