Which of the following is the first trophic level in every ecosystem?(1 point)

Responses

heterotroph
heterotroph

tertiary consumer
tertiary consumer

autotroph
autotroph

primary consumer

1 answer

The first trophic level in every ecosystem is the autotroph. Autotrophs are organisms that produce their own food, typically through photosynthesis (like plants) or chemosynthesis (like certain bacteria). They form the base of the food chain.