Answer:
they need it to function properly
Cloning is a process by which an organism that is genetically identical to another is made. This means the answer is B.
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8. Microevolution
9. Net movement of alleles from one population to another.
Answer:
Humans have five vital organs that are essential for survival. These are the brain, heart, kidneys, liver and lungs. The human brain is the body's control center, receiving and sending signals to other organs through the nervous system and through secreted hormones.