3rd Grade Science Quiz
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BIOLOGICAL EVOLUTION: UNITY AND DIVERSITY
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All these robins are the same species; what evidence shows they vary as individuals?
A
They vary because some are robins and some are eagles.
B
All robins have exactly the same size and the same red breast color.
C
Some robins are slightly larger and have brighter red breasts than others.
D
Different breast colors mean they are not robins at all.
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