Rule on these claims about a food chain

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Green plants in an ecosystem are the producers.

2. Statement is true

   No

   Statement

   Bacteria and fungi that break down dead remains are consumers.

3. Statement is true

   Yes

   Statement

   About ten percent of energy moves to the next trophic level.

4. Statement is true

   No

   Statement

   Energy in a food chain flows up and then back down again.

5. Statement is true

   Yes

   Statement

   Food chains rarely run beyond three or four steps.

6. Statement is true

   No

   Statement

   Plastic bags are broken down quickly by microbes.

7. Statement is true

   Yes

   Statement

   The ozone layer absorbs harmful ultraviolet radiation.

Instructions

Tap true or false for each claim about who eats whom and how energy moves along.

Explanation