Answer:
a neutral solution? i think
Answer: [C]: "five-part radial symmetry" .
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For each of the examples, simple diffusion, carrier, and channel mediated, each type involves the flow down a concentration gradient. This means that the molecules flow from an area of high concentration to an area of low concentration. In turn, this allows for a passive process, meaning no ATP is needed! I hope this explains your question.
Answer:
B) Chromosomes with new combinations of alleles are created
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