Question

Which role is performed by autotrophs at the 1st trophic level?

Options

• Primary carnivores feed on herbivores.

• Autotrophs fix solar energy via photosynthesis.

• Herbivores feed on producers.

• Secondary carnivores feed on secondary consumers.

Answer 1

Producers at the first trophic level are autotrophs. They fix solar energy via photosynthesis and make it available to the food chain.