Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..
Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..
If the balance of nature is left untouched, landscapes can change dramatically over time. A previous ecosystem is supers..
This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..
Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..