Answer:
Animal cells have a cleavage furrow which will pinch the cytoplasm into two nearly equal parts. While plant cells have a cell plate that forms halfway between the divided nuclei.
Explanation:
The answer is chromosome
The chromosome is densly packed DNA.
The right answer is geology; theory of continental drift.
The drift of the continents is a theory proposed at the beginning of the century by the physicist-meteorologist Alfred Wegener, to try to explain, among others, the similarity in the course of the coasts on both sides of the Atlantic, an observation which had intrigued others before him.
He possessed, besides, the courage, the fever of knowing, the independence, the intellectual rigor, the logic and a good dose of intuition. Armed with all this baggage, he was able to formulate a hypothesis on the movement of continents.