Which of the following was rudolf virchow's contribution to our understanding of cells

The correct answer is all cells are generated from the pre-existing cells.  

Rudolf Virchow was a German pathologist, doctor, and anthropologist well-familiar for his work in the development of cell theory. He is known as the father of pathology. He is accredited with many essential findings.  

He is famous for his scientific contribution in cell theory as he was one of the first to demonstrate that the origin of the cells had taken place from the differentiation of the pre-existing cells.  

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: