Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..