The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..
