Which term best describes the difference in colors of the birds below?
o natural selection
o reproductive maturity
constir unnin
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In which situations is the principle of cross-cutting relationship useful in determining relative age?

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?