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The flat, tanned spots known as freckles are due to a higher amount of the skin pigment melanin in areas that are frequently exposed to the sun.

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CurioCity resources which align with the Alberta Curriculum Grade Science 9 Unit of Study on Biological Diversity.

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This video from MinuteEarth explains why there are more boys than girls on earth.

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This video from SciShow explains how the Grolar bear came to be!

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Hybrid offspring often exhibit qualities that are more desirable than those of either of their parents.

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