Because there are children in africa starving... Duhhh!!!!!
It can be either diffusion, osmosis or active transport. depending on what is transported and how in which net direction they're moving.
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This term was created by Charles Darwin based off his research on evolution
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
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What is the real meaning of this questions
