Question

(04.01 mc)
which statement describes the role of the organism indicated by the blue arrow in the food web?
image of a food web with organisms: red - tailed hawk, large mouth bass, wood duck, meadow vole, monarch, algae, grass, milkweed; blue arrow from algae to grass

• producers bring energy into the ecosystem by making organic molecules from sunlight or chemical compounds.
• producers bring new energy into an ecosystem by breaking down inorganic materials and making new ones.
• consumers feed other larger producers by breaking down organic molecules.
• consumers recycle organic molecules, like glucose, for other species to use as food.

Explanation:

The organism marked by the blue arrow is grass, which is a producer. Producers (like plants) perform photosynthesis, converting sunlight energy into organic molecules, which introduces energy into the ecosystem. The first option correctly defines this role, while the other options have errors: producers do not break down inorganic materials to create new energy, consumers do not feed producers, and consumers do not recycle organic molecules for other species as food (that is the role of decomposers).

Answer:

A. Producers bring energy into the ecosystem by making organic molecules from sunlight or chemical compounds.