Drepanocyte

The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..

If the balance of nature is left untouched, landscapes can change dramatically over time. A previous ecosystem is supers..

This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..

Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..

Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..

According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..

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