Interactions of Living Things in Ecosystems

A food chain models how energy is transferred in an ecosystem.

• true

• false

Tags

4.LS2.2

Decomposers break down decaying material in an ecosystem

• true

• false

Tags

4.LS2.2

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

• adaptation

• skill

• niche

• habitat

Tags

4.LS2.2

Which is a model of the path that energy in food takes as it moves from one organism to the next?

• food web

• photosynthesis

• respiration

• food chain

Tags

4.LS2.2

Organisms at the beginning of a food chain are called ________.

• producers

• consumers

• omnivores

• predators

Tags

4.LS2.2

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

• producers

• decomposers

• omnivores

• herbivores

Tags

4.LS2.2

Which organism is the herbivore?

• snake

• grass

• eagle

• caterpillar

Tags

4.LS2.2

An animal whose niche is to hunt its own food is called a(n)_______.

• predator

• scavenger

• producer

• omnivore

Tags

4.LS2.2

Animals that eat other animals are called herbivores.

• True

• False

Tags

4.LS2.2

Which of the following describes the role of a lion in its ecosystem based on what it eats?

• herbivore

• consumer

• producer

• decomposer

Tags

4.LS2.2