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    Answer 4 out of 5 questions correctly.

A population is a group of individuals of the same species that live in the same place. The individuals in a population often have differences in their traits. These differences are called variations.
Imagine a population of wild mice in which each mouse has either black fur or brown fur.
mice from the population
Complete the following statement.
In this population, black fur and brown fur are 
variations

 of the fur color 
variation

.
ref_doc_title.

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