Examlex
Which of the following is an essential nutrient?
Mutation
A random error in gene replication that leads to a change.
Natural Selection
The process by which organisms that are better adapted to their environment survive and reproduce more successfully than less well-adapted organisms.
Initiate Sexual Activity
To begin or start a sexual act or encounter.
Masturbate
The act of sexually stimulating oneself, often leading to orgasm.
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