Bio CH 2 Review

Measurements of a plant’s growth over a two-week period represent

• inferences

• variables

• hpothesis

• data

Jane Goodall’s research on chimpanzees in the wild is an example of

• inference

• discovery science

• quantitative data

• generalization

A logical conclusion based on observations is called a(an)

• generalization

• hypothesis

• inference

• theory

You suggest that the presence of water could accelerate the growth of bread mold. This is a(an)

• conclusion

• hypothesis

• experiment

• analysis

A controlled experiment allows the scientist to isolate and test

• a conclusion

• a mass of information

• several variables

• a single variable

The work of scientists generally begins with

• testing a hypothesis.

• making observations and asking questions.

• carrying out experiments.

• drawing conclusions.

Thinking that someone is at the door when you hear the doorbell ring is an example of a(an)

• inference

• observation

• theory

• conclusion

An experiment that tests the effect of a single variable is called a

• variable experiment

• hypothetical experiment

• theoretical experiment

• controlled experiment

Which of the following might be a valid hypothesis for why a plant appears to be dying?

• The plant is not being watered enough.

• The plant is being watered too much.

• The plant is receiving too much sunlight.

• all of the above

A falsifiable hypothesis is one that

• can be controlled.

• is untrue.

• is true.

• can be proven incorrect.