Scientists have concluded that large mammals, such as the woolly mammoth, roamed the earth before the ice age. how do we know that the woolly mammoth was alive in the ice age?

The dating of artifacts is done by a carbon dating age system based on the development of tools and technology. They used the carbon that is left in the artifacts of the deceased.

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .