Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..