Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
Different pregnancy and birth control and contraception strategies are described. Read this tutorial to learn each of th..
