Which term best describes the difference in colors of the birds below?
o natural selection
o reproductive maturity
constir unnin
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Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

Drag each label to the correct location on the image. g organisms adopt different strategies and structures to make sure their offspring it uses. herds young into center of group produces many offspring at once to protect against high predation risk protects offspring until environmental conditions are ideal for growth coo b 13 1994 7 odos si . an . i

How does the nervous system affect the excretory system?