♥ They make use of a control group because its something that they can look into, something to compare to. <span />
<span>The membrane bound organelle you refer to is the Lysosome. The lysosome fuses with a vacuole where it digests the contents. </span>
The white blood cell identifies the toxin produced by the pathogen and creates antibodies to fight the pathogen
The answer is C.
Organism, population, community, ecosystem, biosphere
