Which best describes Darwin’s studies that led to the theory of evolution?
A. extensive research of an individual organism within a short period
B. extensive research of an individual organism over many years
C. observations and data collected within a short period
D. observations and data collected over many years
Answers: 2
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Adistinctive characteristic of mammals that is not observed in other vertebrates is
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Which best describes Darwin’s studies that led to the theory of evolution?
A. extensive research of...
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