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Results for: 'Evolutionary tree of life Animation'
Predator- prey competition and symbiosis
By: HWC, Views: 6492
Predator-prey relationships occur when one species, the predator, kills and eats an organism of another species, the prey. This graph shows the cyclical nature of predator-prey relationships, in this case among populations of Canada lynx and snowshoe rabbits. If predation is without some li...
Miller's reaction chamber experiment Animation
By: HWC, Views: 292
A simple diagram of Stanley Miller and Harold Urey's experimental apparatus. The lower portion of the apparatus was filled with water. The upper portion was filled with a mixture of gases that simulated the earth's early atmosphere. Examples are methane, ammonia, hydrogen and carbon dioxide. ...
By: HWC, Views: 3952
Osmosis is when a solvent, such as water, moves from a low-solute concentration solution to a higher-solute concentration solution through a semipermeable. Osmosis is an example of diffusion (a special case of diffusion) in which the molecules are water, and the concentration gradient occurs a...
By: HWC, Views: 4409
Osmosis is when a solvent, such as water, moves from a low-solute concentration solution to a higher-solute concentration solution through a semipermeable. Osmosis is an example of diffusion (a special case of diffusion) in which the molecules are water, and the concentration gradient occurs a...
Introduction to Body Systems Animation
By: Administrator, Views: 690
Systems: A group of different organs functioning together for a common purpose.
By: Administrator, Views: 352
This animation shows a list of muscles found in the leg used for movement
By: HWC, Views: 6753
• Dissociation of the chemical substances in the body fluids can result in the production of free hydrogen ions. • The pH scale is used to measure the concentration of hydrogen ions in solution. • Normal blood pH values vary around 7.4. • When hydrogen ion concentration increases, t...
Interview with Person having Obsessive Compulsive Disorder
By: Administrator, Views: 9629
Obsessive–compulsive disorder (OCD) is a mental disorder in which a person feels the need to perform certain routines repeatedly (called "compulsions"), or has certain thoughts repeatedly (called "obsessions"). The person is unable to control either the thoughts or activities for more than a sh...
By: Administrator, Views: 9659
A wound is an injury to living tissue caused by a cut, blow, or other impact, typically one in which the skin is cut or broken.
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