1.what function do these structure share?
2.How are these structure different?
![1what Function Do These Structure Share2How Are These Structure Different class=](https://ph-static.z-dn.net/files/df9/0b1fba919beed9b7d939e49666cec24b.jpg)
Answer:
1. flying
2. butterfly wings are thin membrane with no bone or skin, bird have internal skeleton, skin feathers
Explanation:
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