Answer:
In Late 1600s Anton von Leeuwenhoek develops a more powerful microscope that allows him to see living cells like bacteria.
In Early 1800s Matthias Schleiden and Theodor Schwann conclude that all living organisms are made of cells, and that cells can be produced from other cells.
Explanation:
Answer:
They don't reproduce independantly but have to invade other cells.
Explanation:
The most logical answer is D, because, we can infer that they belong to the same genus in taxonomy, but they are different species