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.

Question

Quizplus · Accepted Answer

The word "niche" refers to the specific role or function of an organism within an ecosystem. The traits mentioned in the statement collectively describe the role of earthworms in grass and forest ecosystems - aerating soil and mixing soil layers. Therefore, the correct answer is A) niche. The other options listed do not accurately describe the collective traits of earthworms mentioned in the statement.

Earthworms Live in Many Grass and Forest Ecosystems, and They