Answer:
An ecosystem consists of a community of organisms together with their physical environment. In ecosystems, both matter and energy are conserved. Energy flows through the system usually from light to heat while matter is recycled.
Explanation:
<span>the variety of life in the world or in a particular habitat or ecosystem.
examples would be like a group of animals living on a farm or a family in a house.
but if ur meaning "megadiverse" would be like humans inhabiting the earth. or the ocean full of marine life</span>
The answer is D. Chromosomes contain genes, and genes are made of DNA
I think it would be organ system for your awnser