The return of a biome/habitat to its original condition is also called A: restoration ecology. B: ecosystem maintenance. C: ecosystem replacement. D: ecosystem restoration. E: ecosystem rehabilitation.

The author mentions some exotic plants in Reading E, which implies _________. A: these plants are foreign plants that can't grow in Cornwall but for the "Humid Tropics Biome" B: the author has never seen these plants before C: thanks to the Eden Project these plants have adapted themselves to the local climate D: exotic plants are tropical plants