Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..
This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..
A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..