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The killer whale is the carnivore with the most highly developed brain.
Yes, amphibians have highly developed brains.
Humans have the most highly developed brains.
The most highly developed human sense is vision.
Highly developed culture is reading and/or writing, for an exaple: learning how to write in latin.
it is because mammals have highly developed nervous system and presence of spinal cord.
Angiosperms
The trigeminal nerve is the most highly developed cranial nerve in the sheep's brain.
monkey
sight
yes
They are called civilizations