Unit 4 2nd Grade Science Review

Front

What do all animals need to survive?

Back

Food, water, air, space, and shelter.

Front

What happens if an animal's habitat is missing basic elements?

Back

The animal may not survive.

Front

What can change an animal's habitat?

Back

Pollution, long periods of drought, development by humans, and floods.

Front

What do chipmunks use trees for?

Back

Shelter.

Front

What is a possible reason for a change in habitat?

Back

Not enough rain.

Front

What is shelter?

Back

A place that provides protection for animals.

Front

Why do animals need space?

Back

To move around, find food, and live comfortably.

Front

What is pollution?

Back

The introduction of harmful substances into the environment.

Front

What is a habitat?

Back

The natural home or environment of an animal.

Front

How can humans affect animal habitats?

Back

By building homes, roads, and other structures.