Describe why autotrophs are important to all ecosystems. Answer in at least 3 complete sentences.

Autotrophs are extremely important because without them, no other forms of life can exist. Without plants that create sugars from carbon dioxide gas and sunlight via the process of photosynthesis

explanation:

the fossil record extends back to a dog-like ancestor some 55 million years ago, which gave rise to the first horse-like species 55 to 42 million years ago in the genus eohippus.

your answer should be c) enjoy!