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What range of gestational weeks is considered term?
Macroevolution
Large-scale evolutionary changes that occur over geologic time, leading to the emergence of new species and diversification.
Phenotypic Changes
Alterations in the observable traits or characteristics of an organism, resulting from genetic expression or environmental influences.
Feathered Wings
Wings covered with feathers, characteristic of birds, that facilitate flight and insulation.
Postzygotic Barriers
Reproductive isolation mechanisms that occur after fertilization, preventing the development into fertile offspring.
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