Earthworms Live in Many Grass and Forest Ecosystems, and They

Multiple Choice

Earthworms live in many grass and forest ecosystems, and they aerate the soil as they burrow. They also may mix soil layers as they ingest organic matter and travel between layers. These traits, taken collectively, make up the ________ of the earthworm.

A) niche
B) habitat
C) community profile
D) ecosystem profile
E) resource partition profile