Chemistry
Chemistry, 24.10.2019 12:43, ronniethefun

The arms of humans and the flippers of dolphins have a similar bone structure. so, they’re organs. the legs of a kangaroo and the legs of a jumping spider allow both organisms to jump. however, spiders are invertebrates, and kangaroos are vertebrates. this difference makes their legs structures.
1)a. analogous b. homologous c. vestigial
2)a. analogous b. homologous c. vestigial

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