Answer:A bat has a much more flexible wing structure. It is very much like a human arm and hand, except it has a thin membrane of skin (called the patagium) extending between the "hand" and the body, and between each finger bone. Bats can move the wing like a hand, essentially "swimming" through the air.
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Ecosystem seems to be the right answer NEVER SECOND GUESS YOUR SELF I have done it and it's the worst thing you can do
A cow grazes in a grassy meadow.