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ppk ppk
wrote...
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Posts: 3560
13 years ago
What structural adaptation in chickens allows them to lay their eggs in arid environments rather than in water?   

A) extraembryonic membranes
B) yolk
C) development of the brain from ectoderm
D) gastrulation
E) cleavage
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Answer accepted by topic starter
bio_manbio_man
wrote...
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Posts: 33339
13 years ago
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