Gateway to Understanding Natural Selection Biology essay
Natural selection is one of the central mechanisms of evolutionary change and is the process responsible for the evolution of adaptive traits. Without a working knowledge of natural selection, it is impossible to understand how and why living things exhibit their diversity and complexity. A concept of natural, abstract. In this Perspective, we evaluate the explanatory power of the neutral theory of molecular evolution, following its introduction by Kimura. We argue that the neutral theory was supported from the start by unreliable theoretical and empirical evidence, and that in light of modern genome-scale data we can firmly reject it. Syndicate this essay. When Charles Darwin's On the Origin of Species was first published, the theory of natural selection dominated our views on evolution. As Darwin understood it, natural selection is a slow and gradual process that occurs over several generations through successive random hereditary variations. As a result, microbiology is strongly linked to immunology. Anatomy. Anatomical research focuses on the structure of tissues and organs. Cell and molecular biology. Cells form the basis for every living thing. The most important topic in this field is the molecular organization of cells. Environmental biology.