My Answer: Vestigial organs
Why?: " Vestigial organs are physical structures that were fully developed
and functional in an ancestral group of organisms but are reduced
and unused in the later species."
Hope I helped! :D
Para mi opinión creo que es la repuesta correcta el encéfalo consta de 3 parte el “cerebro, cerebelo y bulbo raquídeo” respuesta
If proven to be true, a hypothesis can become a theory, a theorem, or a law. Since her hypothesis is proven to be true, it is no longer a hypothesis.
