Answer:
Bacteria play a central role
Explanation:
Nitrogen-fixing bacteria, which convert atmospheric nitrogen to nitrates. Bacteria of decay, which convert decaying nitrogen waste to ammonia. Nitrifying bacteria, which convert ammonia to nitrates/nitrites.
No I think you need to do some more research
Answer:
Endangered species are plants or animals that are near extinction. Invasive species are plants or animals that are not originally found in that ecosystem. I don't know the rest sorry. I hope this was helpful though.
Explanation:
A.human
c.turtles
because ectotherm also known as cold blooded ,which is any animal whose regulation of body temperature depends on external sources
