Respuesta :

1. Have spinal cords 2.snakes and sharks 3.have live baby’s I’m pretty sure u have them all right good job
juliestrella

Answer:

#2 is correct.

#3 is correct, mammals are vertebrates, which means cows counts, also frogs, since they have to jump a lot, they have 10 vertebrae. Also, hawks, since they're vertebrates, and all vertebrates have backbones.

$4 is correct.

If you like my answer, please mark me brainliest.

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