Biology, 26.04.2020 03:49 acediego3119
Fossils show that ancestors of the giraffe had shorter necks than the modern giraffe. The evolution of the modern giraffe may be an example of .
A.
sexual selection
B.
directional selection
C.
disruptive selection
D.
stabilizing selection
Answers: 3
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In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.
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Fossils show that ancestors of the giraffe had shorter necks than the modern giraffe. The evolution...
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