Answer: Cochlea
Explanation: The inner ear contains a group of interconnected, fluid-filled chambers. The snail-shaped chamber, called the cochlea, plays a role in hearing. Sound vibrations from the bones of the middle ear are transferred to the fluids of the cochlea
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Answer: D. Genetic mutation
Explanation:
For evolution to occur, there must be a genetic mutation in the genome of an organism such that a new allele is formed.
If this mutation occurred in the sperm and/or the ovum, the mutation will then be passed on through reproduction to the next generation. This leads to more of the subsequent generations having that mutation thereby leading to evolution.
