Describe how experiment B and experiment C acted as controls for the investigation. [2 marks] Experiment B Experiment

0 9 . 2 Describe how experiment B and experiment C acted as controls for the investigation. [2 marks] Experiment B Experiment C 0 9 . 3 Give two conclusions that the students could make from the ink marks on the shoot in experiment A. [2 marks] 1 2 0 9 . 4 Name the type of response shown by the seedling in experiment A.

In an experiment the __________ variable is a manipulation of the environment controlled by the experimenter.Question 4Answera.experimentalb.independentc.controld.dependent

In an experiment, the variable is manipulated by the experimenter.

In an experiment, which variable is manipulated by the experimenter?Multiple choice question.ControlIndependentDependentCorrelational

What does an experiment need to have in order for it to be a true experiment? Group of answer choicesA manipulated variable Random assignment A confounding variable Both A and B