Introduction Quiz

The term biosphere refers to what parts of the Earth?

• freshwater environments

• living things

• land masses

• greater biodiversity

Which phrase best describes Earth's biodiversity?

• greater in consistently warm areas

• greater towards Earth's poles

• greater according to energy needs

• greater where temperatures are most variable

An individual living thing is called a(n)

• Species

• Cell

• Atom

• Organism

Which of these characteristics is shared by all living things?

• They are made up of one or more cells.

• They make their own chemical energy.

• They have similar responses to light.

• They reproduce when one cell divides into two.

The basic unit of life is:

• The cell.

• An atom.

• DNA.

• A Species.

At all levels of life, when related parts interact they form a

• Biosphere.

• Species.

• Cell.

• System.

The maintenance of constant internal conditions in an organism is known as

• Homeostasis.

• Negative feedback.

• Structure specialization.

• Adaptation.

At which stage of scientific inquiry would scientists find out if their hypotheses were supported by their data?

• Observing.

• Testing the hypothesis.

• Analyzing data.

• Evaluating results.

In an experiment, the condition that is manipulated by a scientist is the

• Independent variable.

• Dependent variable.

• Constant.

• Control condition.

Which of the following is an important characteristic of a scientific theory?

• Proven by more than one scientist.

• Unchanged by new evidence.

• Accepted by the public.

• Supported by much evidence.