Doctors would let your body's immune system fight off a bacterial infection. If the infection gets worse, then the doctors would proscribe you with some antibiotics so it'll fight off the harmful bacteria.
Pancreatic amylase
Pancreatic Lipase
Protease (trypsin and chymotrpsin)
So 3 I believe
Answer AND Explanation:
Darwin describes natural selection as a process whereby nature selects those organisms that have favourable characteristics to be parents of the next generation. The individuals possessing the favourable traits are better suited to the prevailing environmental conditions. This enables them to stand a better chance to survive in the struggle for existence due to limited resources.
1. when a earth worm eat it deposits nutrient by pooping
2. earth worm, feed grass, feed cow, human eat cow
