This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..
Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..
This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..