Which is an effect of lower levels of solar radiation striking Earth? A)
increased incidences of skin cancer
B)
decreased rates of photosynthesis
c)
increased phytoplankton activity
D)
decreased carbon dioxide levels

the denominator has a very specific role.

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explanation:

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essentially, one bacterial cell splits into two daugurer cells. bacterial offspring don't need or get care from their parents because they are in a sense their own parents. that said, some bacteria can and do depend on other bacteria especially in harsh environments such as bacterial microfilms in hot water tanks.

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;