Which of the following. groups of organisms feeds directly on green plants?

The group of organisms that feeds directly on green plants are primary consumers. Primary consumers are herbivores, which means they eat plants as their primary source of food. Green plants are producers, which means they produce their own food through photosynthesis. Primary consumers, such as grasshoppers or caterpillars, feed directly on these plants to obtain the energy and nutrients they need. Secondary consumers are animals that feed on primary consumers, while tertiary consumers are animals that feed on secondary consumers. Decomposers, such as bacteria and fungi, feed on dead and decaying matter and play an important role in breaking down organic material and returning nutrients to the soil.