Respuesta :
I think the answer is B too because it changes over time it never stay the same
Evolution is not sudden it is the changes that occur gradually with time. In process of evolution traits of a species can change over time which causes change and leads to evolution.
What are traits?
A trait is genetically distinguishing characteristics or genetically determined structure in an organism. It can be hair color, eye color etc.
Evolution is referred to as the change in the inherited traits of a population of organisms that passes to successive generations.
At the time of reproduction, these pass on to their progeny a collection of traits.
Thus, the correct answer is d.
For more details regarding evolution, visit:
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