Why is the scrotum external on most male mammals? A. serves as a climate-control mechanism of cooling for the production of healthy sperm

B. serves as a climate-control mechanism of heating for the production of healthy sperm

C. allows air to circulate around this organ to help oxygenate the developing sperm

D. allows for the cooler temperatures needed for the production of the hormones in a male mammal

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identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.v

allowed for the prediction of the properties of missing elements.

the answer is: metamorphic rocks often show the presence of fossils, also a

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