External stimulus. The rain is something out of your control while you're waiting. Rain is not something you are doing nor is it a response to you waiting for the bus.
A company logging is most likely to trigger a secondary succession.
It is definitely false. Remember that regarding adult brains, the older the brain gets the more connections you use to lose. So this statement is false. Hope this can help you a lot
The Parasite harms host
The parasite must adapt to beat host's defenses <span />
<u>Explanation:</u>
now a days we dont need gooosbumps or the scientifc name cutis anserine.
it was used by our ancestors when we got afraid or for the cold an example of this is if a predator is attacking us the hair on our skins would point straight and we'd look bigger and hopefully it would scare them away, we can still see this in animals... but in present day its completly useless