Animals have evolved specialized digestive systems based on their dietary needs while species adapt to specific food sources through natural selection like Darwin's finches.
Evolution of Digestive Systems:
Animals have evolved different types of digestive systems based on their dietary needs. For example, birds have a gizzard to crush food due to their inability to masticate. Ruminants have multi-chambered stomachs to digest plant material effectively.
Adaptive Radiation:
Species adapt to specific food sources through natural selection, leading to the evolution of specialized structures like beaks. Darwin's finches demonstrate adaptive radiation where different beak types are suited to their food sources.
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