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There are two main mechanisms that contribute towards the process of speciation: natural selection, and genetic drift. The result of both of these mechanisms is phenotypic and genetic change as a populati...
In response to high blood glucose concentrations, insulin is released from the pancreas into the blood. Insulin acts on cells (especially liver cells) and causes glucose to move from the blood into these ...
An enzyme is a biological catalyst. As temperature is raised, the rate of the reaction increases up to the optimum temperature, the point at which the enzyme works the best. Beyond this, raising the tempe...
Bacteria in the water decay organic matter in sewage -> respire aerobically -> uses the O2 in the water and reduces O2 concentration -> fish have less O2 to aerobically respirate -> fish die
The net diffusion of water from an area of high concentration to low concentration across a partially-permeable membrane. 3 key elements to the definition1) Diffusion of water2) high conc to low conc3) pa...
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