Examlex
According to the text,what happened to lone parents in the past?
Vertebrate Wings
Specialized limbs in vertebrates such as birds, bats, and pterosaurs adapted for the purpose of flight.
Bilaterians
Multicellular organisms with bilateral symmetry during embryonic development.
Bat Wing Development
The biological and evolutionary processes that lead to the formation of the wing structure in bats, enabling flight.
Tetrapod Limbs
The limbs of vertebrates that evolved from the fins of early fish and are characterized by having four limbs or leg-like appendages.
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