Answer the following question: 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:
Answer:
primary producer