Answer:
Decomposers and scavengers break down dead plants and animals. They also break down the waste of other organisms. Decomposers are very important for any ecosystem because if they weren't in the ecosystem, the plants would not get essential nutrients, and dead matter and waste would pile up.
Explanation:
Gymnosperms – plants with cones.
Angiosperms – plants with flowers.
Due to the energy lost as heat
False,
The Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.
https://www.quora.com/How-and-why-is-centrifugation-used-in-DNA-extraction
I think this should help. I'm sorry i didn't give a proper answer. Feel free to delete/report if this didn't help.