Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..
Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..
A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..
While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..
