Diatoms
http://ugf3g1.rg.ro/Y4-3
This may help you props to the owner of this pdf
Answer:
the first one is A and the second one is either B or C, sorry I could not be more sure about my answer on that second one
Explanation:
Just trust me please
It represents DNA since it is double stranded.
Well for both of them to survive they need oxygen, food, water amino acids, and a way to leave waste, but that depends on the type of cell
