end of course life science review

What piece of lab equipment would you use to see things to small for you to see with your own eyes?

• microscope

• Binoculars

• pH paper

• triple beam balance

What variable is the variable that is changed?

• independent variable

• dependent variable

• control group

• constant

What variable is the variable that is measured?

• independent variable

• dependent variable

• control group

• constant

What is running the experiment without the independent variable?

• independent variable

• dependent variable

• control group

• constant

What are the parts of the experiment that are kept the same each time the experiment is performed?

• independent variable

• dependent variable

• control group

• constant

An experiment is designed to test the effect of ultraviolet (UV) light on frogs. Which of the following groups would be the control group?

• Frogs exposed to UV light for 30 days

• Frogs exposed to UV light for 15 days

• Frogs not exposed to UV light

• Frogs exposed to UV light for 60 days

There were ten groups of three earthworms. Each group was placed in a separate cardboard container. Students recorded how the earthworms reacted while inside the cardboard container. Which of these questions was this experiment trying to answer?

• Do earthworms move quickly in cardboard environments?

• Is earthworm behavior affected by darkness?

• Do earthworms reproduce in captivity?

• Do earthworms move toward a moist environment?

The picture shows the results of an experiment to investigate the effect of light on plant growth.  The conclusion is weakened by-

• the length of time for the experiment.

• the color of the light source.

• the flow of air into and out of the room.

• the slope of the soil.

The cell theory states that all living things are made up of cells and that - 

• all cells are box shaped.

• cells appear spontaneously.

• cells go together to form organs.

• cells come from other living cells.

Which phase of mitosis is represented by the above diagram?

• anaphase

• telophase

• metaphase

• prophase