The first trophic level in every ecosystem is the autotroph. Autotrophs, such as plants and some algae, are organisms that produce their own food through photosynthesis or chemosynthesis and serve as the primary producers in an ecosystem.
Which of the following is the first trophic level in every ecosystem?(1 point)
Responses
tertiary consumer
tertiary consumer
heterotroph
heterotroph
primary consumer
primary consumer
autotroph
1 answer