Usually if they have chloroplasts, they’re autotrophic. If they don’t have chloroplasts then they’re autotrophic, although members of Excavata like euglenozoans can be mixotrophic
Answer: Single cell organisms absorbed harmful gases from the air when they first formed
Explanation:
The answer of this question is genes
Answer:
any group of living and nonliving thnigs intercting with each other are considered as an ecosystem