The answer is C- Excretory system. Hope this helps :)
A bacillus or bacilliform bacterium is a rod-shaped bacterium or archaeon.
I believe its A because all the other one dont make scene really.
Hello.
The answer is <span>Passive transport.
</span>The movement of substances<span> in and out of a </span>cell<span> membrane </span>without the use of energy<span> by the </span><span>cell.
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Have a nice day
A stem cell is an extraordinary, early stage, unspecified cell that has the potential to develop into a number of specialized cell types.
there important because they can replace cells that have been lost or damaged