Biology chapter 1 Test

Scientists use observations and data to form and test ______________.

• constants
• hypotheses
• theories
• conclusions

During an experiment, which factors are observed and measured?

• dependent variables
• independent variables 
• constants
• hypotheses

Science is best described as a

• set of facts

• way of knowing

• collection of beliefs

• list of rules

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

• growth and development

• ability to move

• response t the environment

• ability to reproduce

The process by which organisms keep everything inside theor bodies within certain limits is called

• homeostasis

• evolution

• metabolism

• photosynthesis

During a controlled experiment, a scientist isolates and tests

• a conclusion

• a mass of information

• a control group

• a single variable

Science differs from other disciplines because science relies on

• facts

• testing explanations

• observations

• theories

Biology is the study of

• minerals

• the living world

• the weather

• energy

The smallest units that are considered to be alive are called

• cells

• molecules

• atoms

• organisms

Which is the largest level of organization that biologists study?

• environement

• population

• community

• biosphere