You place two fish in different sized tanks, after a month, you measure the length of the fish. What is the manipulated variable and the responding variable?

The manipulated variable is how many fish you put in the tank. The responding variable is how much the fish have grown.

Explanation:

A manipulative variable is the independent variable in an experiment or equation. It's called “manipulated” because it's the one you can change in the problem. A responding variable is something that “responds” to changes you make in an experiment. Hope this helps!

answer is a

explanation:

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.