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the fins.
no some have wings
Fins.
i dont kwow, they wont answer my question
a bird has hollow bones and an incect has an exo skeleton on the outside of their body!
the fins
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Male betas are colorful and have large fins. Females have virtually no fins and have no color
The Flying Fish does not have actual wings, but the length of its "flying fins" is normally between two and three feet.
Pigeon wings are derived from an ancestral limb: the forearms. Butterfly wings (and other insect wings) are novel appendages not derived from other limbs. They are actually derived from an outgrowth of respiratory tissue.
Males have longer pointed dorsal fins. Females' dorsal fins are shorter and round.
Wings.