Because the stomach is lined by a mucous membrane (the gastric mucosa)
Feeling pain, hunger, thirst, sleepiness, and being aware of our thoughts and emotions are all examples of Internal stimuli.
The pia meter is the thin meninx attached to the surface of the brain, containing many nerves and blood vessels.It is <span>the delicate innermost membrane enveloping the brain and spinal cord. Hope this answers the question. Have a nice day.</span>
<span>Answer:
______________________________
1) small (size);
2) produce large (sized) offspring;
3) easy to store in a laboratory.
______________________________</span>
The answer would be evolution, the creature must evolve and adapt to survive.
