Science Final Exam Review: Ecosystems/Food Web Unit

Which organisms break down, or decompose, wastes and remains of dead animals?

• producers

• consumers

• decomposers

• scavengers

Organisms that cannot make their own food but eat other living things are called what?

• producers

• consumers

• decomposers

• scavengers

What are the organisms called that make their own food?

• producers

• consumers

• decomposers

• scavengers

This model shows how food chains overlap.

• food chain

• food web

• energy pyramid

The transfer of food energy from one organism to the next in an ecological community is called what?

• food chain

• food web

• energy pyramid

This diagram is an example of what?

• food chain

• food web

• energy pyramid

What is the producer in this diagram of a food chain?

• tree

• grasshopper

• mouse

• snake

What is the primary consumer in this diagram of a food chain?

• tree

• grasshopper

• mouse

• snake

What is the secondary consumer in this diagram of a food chain?

• tree

• grasshopper

• mouse

• snake

What is the tertiary consumer in this diagram of a food chain?

• tree

• grasshopper

• mouse

• snake