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a bird has hollow bones and an incect has an exo skeleton on the outside of their body!
Wings.
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.
the adult has wings
The main difference between the air below and above the wings of a plane in flight is the air pressure. The air below the wings has higher pressure, while the air above the wings has lower pressure. This pressure difference creates lift, allowing the plane to stay in the air.
Car wings makes your car fly. spoilers just spoil the fun..
There is no such thing as a dinosaur that flys. The difference between a pteradoctyl and a bird is: Birds have feathers and pteradoctyl's don't. The difference between a oviraptor and a bird is: Oviraptor have hands and birds have wings.
a monoplane is a airplnes with 1 wing. a biplane is a aircraft with 2 wings a triplane is a airplane with 3 wings.
One difference between a roach and a beetle is that the roach has membranous wings and beetles do not. In addition, roaches do not have the hardened forewings like the beetle.
they have different characteristics like the aeroplane can fly and has wings but a train doesn't
The wings of a glass wing butterfly are transparent, while the painted lady butterfly's wings are not transparent.
they both have hard skin covering and jointed body segments. the difference is that ants have no wings and butterflies don't