Answer:
Nervous tissue is made up of neurons that receive and conduct impulses. Neurons are highly specialised for being stimulated and then transmitting the stimulus very rapidly from one place to another within the body. Impulses are the passage of electrical activity along the axon of a nerve cell.
I think all of them are,polar bears have fur, penguins are suited for water and land, etc
Answer:
Earth's climate has gotten consistently warmer over time.
