3.3 Quiz

1. Which organisms are able to transfer energy from the Sun to make their own energy?

• a. decomposer
• b. producer
• c. consumer
• d. aquatic

2. An organism that must consume other organisms to gain energy is a ...

• a. decomposer
• b. producer
• c. consumer
• d. terrestrial

3. Which organism breaks down plant and animal remains (dead) and waste into molecules that producers reuse to make energy?

• a. decomposer
• b. producer
• c. consumer
• d. aquatic

How is a food web different than a food chain? 

• a. a food WEB is a single flow of energy and a food CHAIN is multiple flows of energy within an ecosystem

• b. a food CHAIN is a single flow of energy and a food WEB is multiple flows of energy within an ecosystem

• c. a food CHAIN is a multiple flow of energy and a food WEB is single flow of energy within an ecosystem

5. ______ energy move(s) up the food chain as you move closer to the top predator.

• a. less
• b. more
• c. the same amount of

6. The arrows in a food chain or web model show...

• organisms

• flow of energy

• producers

• consumers

7. How is matter cycled through an ecosystem?

• a. Matter is not cycled but transferred from one organism to the next until it reaches the decomposer then it stops
• b. The atoms that make up organisms are cycled between living & nonliving parts of an ecosystem
• c. Matter can appear and disappear
• d. The atoms that make up an organism will remain with them even after they are consumed or dead

8. Which organism directly depends on the producers for energy?

• a. Tuna
• b. Squid
• c. Shrimp
• d. Lancet Fish

9. Matter is passed from the living part of the ecosystem to the nonliving part of an ecosystem when the following takes place..

• a. Plants absorb gases
• b. Plants decompose
• c. Plants absorb water
• d. Animal consumes plant

10. The energy organisms need to live and grow first enters the ecosystem when..

• a. plants take in light energy from the Sun
• b. decomposers break down dead organsims
• c. primary consumers eat plants for food
• d. secondary consumers eat primary consumers