Cells throughout the body share similar structures, such as the Na+/K+ pump, and the same genetic code. But, a nerve cell is very different from a muscle cell in function and appearance. Why is it important for humans to have a wide variety of specialized cells?

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation:

a compound light microscope is used to magnify objects in steps.  

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