Which of these describes variation within a species or population? A population is defined as members of the same species living together in the same area and who are likely to breed with each other.

Evergreen trees have needle-like leaves

Rex rabbits can have one of 16 different colors of fur

Fish use gills to obtain oxygen from water

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Explanation:

The answer is C, or Rex rabbits can have one of 16 different colors of fur

well schools are being forced to embrace computers. unlike their "digital immigrant" teachers, these students are "digital natives", born into a world where technology is an integral part of everyday life. almost every student has access to a multitude of computers, laptops and tablet devices. it would be crazy to assume an assignment would  not be written on computer in this day and age.

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poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.