Automatically region nervous system
The correct answer is it lives inside or on a host.
A is incorrect because a parasite steals from the host, without giving anything in return. Much like a leech
C is incorrect because leeches almost always use their host as a food source
D is incorrect because parasites can often dig beneath the host's skin to be hidden from sight
False, it has also positive consequences for other specie advantages.
Like any other change, it has a both positive and negative effect on the said biosphere, ecosystem or the entire living organisms that exists and co-exist. Climate change maybe is one of todays greatest selection and environment forces that reforms a lot of living organism and especially the climate.