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According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..