Q: Duckweed and cattails serve what role in the food chain in freshwater biomes?


Read this paragraph and choose the correct option from the provided answers:

Duckweed: Jonathan Jordan; Cattails: User:JoJan/Wikimedia Commons. Duckweed and cattails are respectively the primary producers in standing and running freshwater biomes . Duckweed: CC BY 2.0; Cattails: CC BY 3.0.

 Choices:

- tertiary consumer

- secondary consumer

- primary consumer

- primary producer


A:
primary producer