Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..