I think the correct answer from the choices listed above is option C. Phytoplankton play an important role in the carbon cycle. These organisms are known to be crititcal in regulating the carbon cycle. These organisms consume carbon dioxide from the atmosphere moving it to marine sediments deep in the ocean.<span>
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Answer: energy can be cycled in two directions
Explanation: The arrows show the direction of matter and energy flow and should be two
Mutation results in new gene types, the new trait made by the gene; makes variation of two humans. Keep in mind, no two humans are the same; all humans have different heights, appearances and genes. The gene is passed down by sexual reproduction for generations; that is until a recessive( rare) gene appears in a child, then it passes on. This is never ending; and can be applied to dominant (most common) genes also.
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Ozone layers protects the earth from dangerous EM waves
