Feathers, wings, and the hollow bones of birds are examples of
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adaptations for flight responses to stimuli unnecessary body parts reproductive structures
Question: Feathers, wings, and the hollow bones of birds are examples of
(1) adaptations for flight
(2) responses to stimuli
(3) unnecessary body parts
(4) reproductive structures

Answer: (1) adaptations for flight
Answer: (2) responses to stimuli
Question: Feathers, wings, and the hollow bones of birds are examples of
(1) adaptations for flight
(2) responses to stimuli
(3) unnecessary body parts
(4) reproductive structures
Answer: (1) adaptations for flight