Ecosystems Study Guide

A living thing is called an ______.

• fossil

• organism

• cell

• habitat

• ecosystem

A ______ is a place where an animal or plant lives.

• producer

• consumer

• habitat

• decomposer

Many things that live in the same area and interact is called an ______.

• ecosystem

• migration

• variation

• adaptation

A ______ is a model that shows how energy is transferred between living things.

• food chain

• fossil

• habitat

• organism

______ use sunlight to make their own food.

• Consumers

• Producers

• Decomposers

• Fossils

______ eat other organisms to get their energy.

• Producers

• Consumers

• Fossils

• Variations

______ break down dead organic material and waste.

• Producers

• Consumers

• Decomposers

• Habitats

A characteristic that helps an organism survive is called an ______.

• adaptation

• migration

• ecosystem

• food chain

______ is when an animal moves from one place to another and back in a regular cycle.

• Variation

• Migration

• Decomposition

• Production

______ are pieces of plants and animals that have been preserved over time.

• Fossils

• Habitats

• Producers

• Consumers