代写论文：自然理论
自然选择理论指出,一些物种得到相比其他人更适合在一个特定的环境,因此比其他一些物种存活更长的时间。他们还根据周围的适应。达尔文是吸引不同类型的雀在加拉帕戈斯群岛。类的所有鸟类相似,但在不同的岛屿喙的大小和形状是不同的。达尔文发现,这主要是由于不同类型的可用性的食物。鸟类的喙有适应不同类型的食物。因此自然选择理论工作完全在加拉帕戈斯群岛的雀类。同样的,这个理论应用在南方古猿人在非洲原始人类物种的一部分。这个类的主要特征是,他们两足动物,大脑的大小太小(2013岁的哈维兰德35-60)。所以行走的是这是一个非常独特的功能进化的人类需求的适应。
代写论文：自然理论
Theory of natural selection states that some of the species get suited in a particular environment more in comparison to others and hence some species survive for a longer duration than others. They also adapt according to the surrounding. Darwin was attracted towards different types of finches seen in the Galapagos. The class of all the birds were similar but at different islands the size and shape of the beaks were different. Darwin discovered that this was mainly due to the availability of different type of food. The beaks of the birds got adapted to have different types of food. Hence the natural selection theory worked perfectly in the case of finches in the Galapagos Islands. Similarly, this theory applied well on Australopithecines who were part of hominid species found in Africa. The main characteristic of this class was that they were bipedal and the size of brain was too small (Haviland, 2013, 35-60). So the bipedalism was something which was a very unique feature of humans which evolved on the demand of adaptation.
