circle graph is my best answer answer hope it is helpful
None, the answer would be 2500
They make up everything needed to create DNA, although im not very sure, i think the answer your looking for is DNA.
Actually depends on the species. Take snakes for example. They quickly thrived here in america because they had similar environements over in europe. The warm climate here in florida is perfect for them. They like the heat of the sun the dense foliage and many other good qualities here. Also their are other places that are good as long as they are hot have water and prey and a nice hole they can sleep in they can survive making them very adaptable.