The brain's outermost cellular layer is called the cortex.
Answer:
bacteria cell I think I'm probably wrong
The stronger survived and the weaker passed on... Those with a weaker immune system had trouble with sickness and usually ended up passing on but those with strong immune systems were stronger and healthier and lived.
Letter A. This is true it is caused from bacteria on the skin.
Answer:
movement
Explanation:
the movement depends on the temp.
