Answer:
the brain helps with moving our limbs and bones such as how im typing this, it helps us remember to blink and breathe and keep our heart pumping blood.
Explanation:
im not actually sure if this is right but i tried, im sorry if its wrong
Answer:
They need backups.
Explanation:
If the organism only has one food source they will use up that resource and eventually the organism will deplete due to lack of food.
the answer should be A replication