Producers, Consumers, Decomposers – Roles in an Ecosystem

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1. Question 1

   Multiple choice

   What is the role of decomposers in a food chain?

2. Question 2

   Multiple choice

   Which organism is a secondary consumer?

3. Question 3

   Multiple choice

   Why are producers (plants) essential to every food chain?

4. Question 4

   True or false

   Without decomposers, dead matter would pile up and nutrients would never return to the soil for plants to use.

5. Question 5

   Matching

   Match each role to an example organism.

More exercises in this module

• Footprint Comparison – Small Choices, Big Difference

• Keystone Species – One Species, Huge Impact

• Food Chains – Plants, Herbivores, and Carnivores

• Population Changes – Ripple Effects in Food Webs

• Human Actions – Positive and Negative Effects on Ecosystems

• Human Uses of Ecosystems – Food, Water, Recreation, Materials