Answer:
C: a coastal region with three ecosystems, each of which supports many different species
Explanation:
Biodiversity means the variety of life in the world or in a particular habitat or ecosystem. So, a costal region with three ecosystem and each has many species would be a biodiversity.
Answer:
It can affect ecosystems by, Air pollutants such as sulfur may lead to excess amounts of acid in lakes, and streams, and can damage trees and forest soils. Nitrogen in the atmosphere can harm fish, and other aquatic life when deposited of surface waters.
Explanation:
1.B
2.B
I mean that's what you teachers probably think the answer is but only a very hopeless and sad person should think evolution exist, if it did, why isn't happening today, or why don't we see changes.
Answer:
2 membrane layers cover up the nucleus
Answer:
The answer is Physical. Physical immunity occurs when a person immune system responds to antigen.
Explanation: