Question

1. the current knowledge concerning cells is the result of the investigations and observations of many scientists. the work of these scientists forms a well-accepted body of knowledge about cells. this body of knowledge is an example of a

(a) hypothesis
(b) controlled experiment
(c) theory
(d) research plan

____ why?__________________________________________________
________________________________________________________________

Explanation:

• Option (a): A hypothesis is a tentative explanation, not a well - accepted body of knowledge. So (a) is incorrect.
• Option (b): A controlled experiment is a method to test a hypothesis, not a body of knowledge. So (b) is incorrect.
• Option (c): A theory is a well - supported and well - accepted explanation of a natural phenomenon, which matches the description of the well - accepted body of knowledge about cells. So (c) is correct.
• Option (d): A research plan is a plan for conducting research, not a body of knowledge. So (d) is incorrect.

Answer:

(c) theory