Unit 1 Review

A living thing that makes its own food. Fill in the blanks using the word bank.

• producer

• consumer

• decomposer

• scavenger

An animal that eats only meat. Fill in the blanks using the word bank.

• carnivore

• herbivore

• omnivore

• insectivore

How living things are connected through what they eat and what they are eaten by. Fill in the blanks using the word bank.

• food web

• food chain

• ecosystem

• habitat

A living thing that eats other living things. Fill in the blanks using the word bank.

• consumer

• producer

• decomposer

• autotroph

An animal that eats both plants and animals. Fill in the blanks using the word bank.

• omnivore

• herbivore

• carnivore

• insectivore

Jenny loves plants, but she is worried she doesn't know how to take care of them. She heard from a friend that plants grow better with earthworms in the soil. She thinks earthworms are pests because of their slimy bodies. She decided to do an experiment and see for herself. After 60 days, her plants looked like this. What does her experiment show:

• Earthworms are beneficial for plant growth.

• Earthworms are harmful to plants.

• Earthworms have no effect on plant growth.

• Earthworms make the soil dry.

Food chains can always be traced back to a small animal like an ant or beetle.

• True

• False

Carnivores and Omnivores both consume meat.

• True

• False

Because we cannot put air on a scale, air has no weight.

Earthworms prefer bright, open spaces to roam freely.