Cell, Tissue, Organ, Organ System
(Hope this Helps)
Isn't it the cell membrane? The cell membrane controls what goes in and out of the cell using active and passive transport. Osmosis being a part of passive transport.
Answer:
The diagram is used by biologists to determine the probability of an offspring having a particular genotype.
Explanation:
because um... i passed biology. im on chem now
The answer is A. Host
The host is the cell that is infected by viruses, bacteria, or fungi.