Question

Which statement is an example of a scientific theory?

A.
The amount that caffeine affects a person's heart rate differs based on the person's age.
B.
The Earth is the third planet from the Sun and has one moon, which orbits the Earth.
C.
All living organisms are composed of one or more cells, which came from pre-existing cells.
D.
Hummingbirds do not like the color white because they visit other colored flowers more often.

Answer 1

B. All living organisms are composed of one or more cells, which came from pre-existing cells.

Just took the test!! :)

Answer 2

Correct answer: C). All living organisms are composed of one or more cells, which came from pre-existing cells.

It is an example of cell theory. The cell theory in a biology is a theory which is given after conclusion and observation of many scientists and is universally accepted a theory.

It states that all the living organism are made of one or more than one cells and the cell is the building block of all the living thing and all the cell arise from the pre-existing cells.