Answer:
Explanation:Humanity must stop the pace of wildlife extinctions — or face extinction itself, according to a growing body of research.. At a time when more than 1 million species are at risk of extinction — and the links between human health and the health of the planet are clear — the stakes have never been higher, experts say.
Answer:
Habitat Isolation
Explanation:
Ecological, or habitat, isolation occurs when two species that could interbreed do not because the species live in different areas.
The electrical impulse travels across the axon, and the myelin sheath helps to increase transmission speed.
Answer:
B
Explanation:
Some mutations can be harmful or helpful depending on the environment.