Question

where does the energy in trophic level 1 come from?
the sun
atp
chemical bonds
plants
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Explanation:

Trophic level 1 consists of producers (such as plants). Producers use sunlight to perform photosynthesis and convert solar energy into chemical energy. ATP is an energy - carrying molecule within cells, chemical bonds store energy (but the initial source for trophic level 1 is the Sun), and plants are part of trophic level 1 (but they get their energy from the Sun).

Answer:

The Sun