Biology Pre-Test

Front

What is an Independent Variable?

Back

The factor that an experimenter changes on purpose in an experiment.

Front

What is a Dependent Variable?

Back

The factor that is measured or observed in an experiment, which changes in response to the independent variable.

Front

What is a Constant in an experiment?

Back

A factor that remains the same throughout the experiment to ensure that the test results are valid.

Front

What is a Control in an experiment?

Back

A standard for comparison in an experiment, which is not exposed to the independent variable.

Front

What is DNA?

Back

Deoxyribonucleic acid, the molecule that carries genetic information in living organisms.

Front

What are the four bases of DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).

Front

What is a complementary DNA strand?

Back

The matching sequence of bases that pairs with a given DNA strand (A pairs with T, C pairs with G).

Front

What is the significance of conserving forests?

Back

It helps maintain biodiversity, reduces carbon dioxide levels, and preserves habitats.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is the relationship between air and matter?

Back

Air is a type of matter that has weight and occupies space.