What are facts about autotrophs?

Answer 1

1. They can make their own food.

2. They usually obtain energy through the synthesis of substances, like plants get energy from photosynthesis.

3. They support the whole earth's ecological system. They are at the bottom of the food chain.

Answer 2

There are millions of factual sentences you could say about an autotroph. The simplest being "An autotroph produces its own energy."

Answer 3

They use the energy harvested by heteotrophs.