Biology Unit 1 Review

Fill in the blank: _______ is an objective, verifiable observation.

• Fact

• Opinion

• Assumption

• Belief

Fill in the blank: _______ is a statement based on repeated experimental observation that describes an aspect of the world.

• Principle

• Hypothesis

• Assumption

• Prediction

Fill in the blank: _______ is a broad concept or principle that describes how something occurs in nature.

• Law

• Theory

• Hypothesis

• Observation

Fill in the blank: _______ is an explanation of an observed phenomenon based on research.

• Theory

• Hypothesis

• Observation

• Experiment

Fill in the blank: _______ describes qualities using the senses.

• Qualitative

• Quantitative

• Comparative

• Subjective

Fill in the blank: _______ uses numbers and measurements to quantify something.

• Quantitative

• Qualitative

• Descriptive

• Subjective

Fill in the blank: Independent variable = __________

• What is deliberately changed or manipulated in an investigation

• What is measured in an investigation

• What remains constant in an investigation

• What is observed but not changed

Fill in the blank: Dependent variable = __________

• What changes in response to the IV; what is measured

• What is kept constant in the experiment

• What the experimenter changes; independent variable

• The control group in the experiment

Fill in the blank: Constants (controlled variables) = __________

• Aspects of an experiment that are kept constant/consistent

• The variable that is changed in an experiment

• The results measured in an experiment

• The hypothesis being tested

Fill in the blank: Experimental group = __________

• Group(s) being tested

• Group(s) not being tested

• Control group

• Random sample