Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..