Respuesta :
Answer:
bc if they dindt they would die
Explanation:
for ex if a bird didnt have it wings it wouldn't be albe to fly to migrate so with out them they would die (lol i think i know
what im talikng ab k)
Modern birds fly using their “arms”, which have feathers and very ... or weak wings may have been useful for helping the animals to hop or ... Today, bats use a similar membrane of skin to fly.