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Umm I think it might be because we don't need it. We are highly intelligent and that is enough of a defense against other animals. Also we don't have any "natural predators" and we were able to hunt without the use of claws, beaks or all of that stuff.
I mean when human discovered that making weapons like spears and arrows could be use to hunt. Why would we grow teeth and claws?
So I'd say our brain is our natural defense :)
What else can I help you with?
Do white flies bite humans?
I dont know but this stupid websites doesn't give any information just wastes time
Does a Narwhal have any natural predators?
Some predators are: polar bears, humans and possibly a few bigger whales.
What is the tigers preditor?
Tigers' predators include humans who hunt them for their skins and body parts, as well as other large predators such as leopards and crocodiles that may compete with them for prey or target their cubs. Disease and habitat loss also pose threats to tiger populations.
Do any fire ants have a relationships to humans?
no
Do bats have a hole in the hip socket?
no they dont. because they dont have any holes at all. the end. XD
What expectations did Zeus expect of humans?
they really dont have any
What is any natural material used by humans called?
I had this as a vocabulary word in my Environmental Science class. Natural Resource: any natural material used by humans. Ex: oil
What is the con solution of natural environment?
if we dont fell any thing it will ALWAYS BE NATURAL
Does a panda have any natural enemies?
Adult pandas have no natural enemies, other than humans.
What can be a kolas enemies?
humans are enemies but i dont know any others:)
Who is the great white sharks natural predator?
it doesnt have any predators but Humans are the closest to a predator for a great white shark. Or a killer whale. Great whites dont wealy have any predators.
What eats wolf that humans do?
Wolves don't have any natural predators. Humans are the only predators to wolves.
Does a blue whale have any defenses against its predators?
Adult blue whales have no natural predators. They are too big and too strong to be attacked and killed by any animal. However, Orca's (Killer Whales) are known to attack and kill youngsters. A group of Orca's can easily hunt a baby blue whale if its mother is not around. Otherwise, they have no natural predators Humans are the biggest threat to blue whales. Nearly 90% of the world population of these animals were wiped out over the past century by humans by whaling.
What two planets dont have any natural satellites?
mercury and venuse
Does the dhole have any natural enemies?
Yes it does which includes humans,dingos,and pythons
Are there any muscles blacks have whites dont?
No. All humans are made the same in this regard.
Why the fever is gone after a day or two without taking any medicine?
Because your body's natural defenses has beaten off whatever it was that made you sick w/o needing any help.
