Question

In developing the cell theory, Virchow proposed the idea that cells come from pre-existing cells. This was contradictory to the beliefs of most scientists at the time. Louis Pasteur provided proof of this when he performed an experiment with sterilized nutrient broth. The broth in straight neck flasks grew bacteria, but the flasks with curved necks did not grow bacteria. How are scientific theories formed?

Answer 1

C) from evidence gained by many experiments of many scientists

Answer 2

Explained

Step-by-step explanation:

In the cell theory development , Rudolf Virchow, a German physician proposed the idea that cells came from pre-existing cells. This was contradictory to the beliefs of most scientists at the time.

Scientific theory are produced from scientific method through the formation of testing of hypothesis, and can predict the behavior of natural world. Both are typically well supported by observation or experimental evidence.