Unit 2 Ecosystems

Energy and other materials from dead organisms are recycled back into the soil by ____.

______make their own food using energy from the Sun.

Animals are _________.

Organisms that eat other animals are called ___________________.

Look at the picture of the hawk and the mouse. What word best describes the hawk?

The job of decomposers is to break down dead plants and animals into useful substances. This job is their _________.

A __________eats animals for energy.

Which of the following is an abiotic factor?

Which of the following is a biotic factor?

Plants cannot grow too close together because their ____ need to spread out and absorb nutrients from the soil.