
Why Insects and Bugs Matter
3rd Grade · Science · 45 min
Lesson Preview
Learning Objective
I can describe how insects and bugs help the environment.
- 1
Decomposers like bacteria, fungi, insects, and worms break down waste and dead things to get energy.
- 2
Decomposers break down waste into smaller parts, like nutrients and chemicals, which plants use to make more energy.
- 3
Decomposers help keep waste from piling up in an ecosystem and put energy back into the food chain.


