Science Quiz for Grade 3

What is a characteristic of a desert animal?

• Enjoys swimming

• Needs lots of water

• Can survive with little water

• Lives in the ocean

What is a habitat?

• A type of food

• A place where animals live

• A weather pattern

• A kind of plant

How can humans positively change ecosystems?

• By cutting down trees

• By polluting rivers

• By protecting endangered species

• By building more roads

What is an ecosystem?

• A place with only plants

• A place with only animals

• A place where living and non-living things interact

What does a balanced ecosystem provide to all organisms?

• More predators

• Enough food and safe places

• Less sunlight

How do animals prepare for winter?

• By moving to a different planet

• By eating extra food

• By building new houses

Ecosystems have many different __.

Animals might live in groups for __.

__ can help us learn about ecosystems from the past.

Animals have special __ that help them survive in their habitat.