A newly discovered species of earthworm is found to spend most of its time in the C horizon.This is unusual, since other species tend to stay mostly in the

Question

Quizplus · Accepted Answer

The C horizon is the deepest layer of soil, consisting mainly of weathered rocks and minerals. Therefore, it is unlikely for an earthworm species to spend most of its time in this layer. On the other hand, the topsoil, which is the uppermost layer of soil, is where most earthworm species live, as it contains organic matter and nutrients that they feed on. This makes choice C the most suitable answer.

A Newly Discovered Species of Earthworm Is Found to Spend