Apertura mediana ventriculi quarti median aperture of fourth ventricle: a deficiency in the lower portion of the roof of the fourth ventricle through which the ventricular cavity communicates with the subarachnoid space; called also foramen of Magendie...
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..
The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..
