Australopithecus Afarensis or Lucy`s group, this was one of the earliest groups and they were 3-4 feet tall, also they had no tools, fire, or communication, if you look about 3 million years into the future you will notice that groups such as cro magnon man had pretty advanced tools, they also created the bow and arrow. cro magnon man also had made fire and were much taller.
human
That doesn't seem likely. At least, no mechanism is known that will make that possible, even with advanced technology.
They were the first group in the middle east to practice monotheism (or at least monolatry, which is an early form of monotheism).
one is japan
The least diverse group of animals is Insects.
What is the least favorite animal??
Beryllium is the least reactive in the group 2.
Humans and only humans, at least to my current knowledge.
Least Concern
No, not permanently at least.
You do not, at least humans don't.
Ducks, at least.