1.
drift theory-The idea that continents are slowly drifting the tectonic plates that they sit on move. This idea comes from Alfred Wegener, who proposed that Earth once had one giant supercontinent. This supercontinent broke apart into plates that have slow
2.
species-Animals or plants that are in danger of dying out in the immediate future.
3.
species-Animals or plants that are brought into an area from somewhere else.
4.
species-Animals or plants that occur naturally in an area.
5.
species-Animals or plants that are likely to become endangered if not protected.
