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d. Variation
Their physical features vary, I’m not sure how else to describe it.
Their physical features vary, I’m not sure how else to describe it.
The fact that the population of moths includes both brown and green moths is an example of variation.
What is Population?
The population is the group of individuals belonging to the same species living in the same area at a particular time.
The population of moths consists of two types of genetic variations, which means there is an existence of two different alleles that are responsible for the expression of two different colours (brown, green) in the population of moths.
Therefore, the fact that the population of moths includes both brown and green moths is an example of variation.
To learn more about Variation in population, refer to the link:
https://brainly.com/question/3370176