They are the powerhouses of a cell and they act like the digestive system which takes in nutrients and breaks it down, then creates energy. Hope this helps!
;D
Answer:
C
Explanation:
Becuase fom a vaccine you are recieving antibodies by another animal or human donor.
D is unlinkely since it describes how the mother is nursing the baby, so nothing directly mentioning of the baby recieving any antibodies. The other options also talk about how the body creates its own antibodies, which isn't passive immunity.
Answer:
A way a disease that is fatal can stay in the population is if its hereditary. Such as, it allows the carrier to live long enough to have children, which have the chance to either get it, or pass it on to their children.
Hope this helps!
Explanation:
