Which type of consumer primarily feeds on plant material?

The correct choice identifies the consumer that primarily feeds on plant material, which is characteristic of herbivores. Herbivores are organisms that have adapted their physiology and behavior to graze on or consume various types of vegetation. This category includes animals such as cows, sheep, and rabbits, which rely exclusively or primarily on plants for their energy and nutritional needs.

Understanding the role of herbivores in ecosystems is important, as they serve as primary consumers within food chains, transferring energy from plants (producers) to higher trophic levels, such as carnivores. They play a crucial role in maintaining the balance of ecosystems by influencing plant growth and distribution.

In contrast, carnivores feed on other animals, scavengers consume dead organisms, and decomposers break down organic matter into simpler substances, returning nutrients to the soil. Each of these roles is vital for the health of ecosystems, but herbivores are specifically distinguished by their herbaceous diet.