Yes
they are mammals they have brains and they are smart
Humans have the most highly developed brains.
a primate is a mammal with hands that grasp ,and a large brain
A primate.
no they are extremly smart but their brains are about the size of a peanut
ape
Dolphins have large brains for their bodies -- in fact, a bottlenose dolphin is second only to humans in the ratio of brain size to body size. Researchers have also pointed to the parallels in the organization of dolphin and primate brains as more evidence of high intelligence in dolphins. Some have gone so far as to suggest that dolphins actually have a language that humans simply cannot comprehend.
Yes
Homo sapiens are modern Humans. We are more often called Homo sapiens sapiens now.
A seven letter word for a large ape is gorilla.
The spelling of the large primate is orangutan (from "orang-hutan" forest person).
The likely word is "gorilla" (a large primate).