Chapter 1 Test (Honors)

Which of the following variables present in Redi’s experiment on spontaneous generation is NOT a controlled variable?

• gauze covering that keeps flies away from meat

• types of jars used

• types of meat used

• temperature at which the jars were stored

In science, a hypothesis is useful only if

• it is proven correct.

•  it can be proven incorrect.

•  it can be tested.

• the explanation is already known.

When a scientist says that the river is in good health after looking at 10 different water samples, this is making an

• Conclusion

• experiment

•  hypothesis

• inference

 The work of scientists usually begins with

• testing a hypothesis.

•  careful observations.

• creating experiments

•  drawing conclusions.

 Information gathered from observing a plant grow 3 cm over a two-week period results in

• inference

• variable

•  hypothesis

• data

Biology is the study of

• the land, water, and air on Earth.

• the living world.

• animals and plants only

• the environment.

 Which of the following is NOT a characteristic of all living things?

• growth and development

• ability to move

• response to the environment

• ability to reproduce

Which of the following characteristics of living things best explains why birds fly south for the winter?

•  Living things respond to their environment.

• Living things maintain internal balance

• Living things are made up of units called cells.

• Living things are based on a universal genetic code

The process by which organisms keep their internal conditions fairly constant is called

• homeostasis.

• evolution.

• metabolism.

• photosynthesis

 What is the term for a group of organisms of one type living in the same place?

• biosphere

• ecosystem

• population

• environment