Build
Up
Unit
3
Review
100

a chance to get hurt or killed

danger

100

to break something so that it can't be fixed

destroy

100

to hurt or give pain

harm

100

the animals and plants that live in nature

wildlife

100

rare and may die soon

endangered

200

no more are alive

extinct

200

something that makes the earth dirty and not safe.

pollution

200

the area around something living (air, water, other living things)

environment

200

a baby frog that still breathes with it's lungs.

tadpole

200

name 2 amphibians

frog

toad

salamander

300

This habitat is a large open field. It is not very wet.

grasslands


300

This is the largest habitat. It covers about 75% of the world

marine habitat
300

Antarctica is the largest ___________ on Earth.


desert

300

This is the coldest habitat.

-Polar

-tundra

300

This is the hottest habitat.

Desert

400

Name 3 characteristics about mammals.

-live birth

-lungs

-warm blooded

-fur

400

Name 3 characteristics about reptiles.

- eggs

- cold-blooded

- scales

400

Name 3 characteristics about fish.

-eggs

-cold blooded

-scales

-gills

400

Name 3 characteristics about birds.

- eggs

-feathers

-warm blooded

-lungs

400

Name 3 characteristics about amphibians.

-eggs

-gills --> lungs

-metamorphosis

-slimy skin

500

Name 2 things that mammals and birds have in common.

-warm blooded

-breathe using lungs

500

Name 2 things that reptiles and fish have in common.

-cold blooded

-lay eggs

500

Name 2 things that birds and reptiles have in common.

-lay eggs

-breathe using lungs

-scales


500

Name 2 things that fish and amphibians have in common.

-cold blooded

-lay eggs

500

What do fish, birds, reptiles and amphibians have in common?

-lay eggs

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