This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the growth curves for the corresponding organisms. Read this tutorial to learn more about the different growth patterns...
The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and then transferred to the internal environment by absorption. Find out more about these processes carried out by the gastrointestinal system through this tutorial...
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells differentiate and become specialized in relation to the function they will perform. Learn more about plant meristems in this tutorial...
The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tutorial will be more or less a quick review of the various principles of water motion in reference to plants. ..
If New Zealand has lots of unique animals, it's also got a whole lot of unique plants. Find out more about some of them, and the roles they play in different natural ecosystems...
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matter (adaptation). You'll also learn what a genetic bottleneck is, and how genetic bottlenecks affect conservation...