Chapter 1 REVIEW

Front

What is the genetic code used by all forms of life?

Back

DNA (Deoxyribonucleic Acid) is the genetic code used by all forms of life.

Front

What must be held constant in an experiment to ensure its validity?

Back

The amount of water, soil, and sunlight, as well as ensuring all plants are of the same type.

Front

What is the dependent variable in an experiment studying the effects of nitrogen on wheat plants?

Back

Wheat plant growth is the dependent variable.

Front

To which Domain and Kingdom do animals belong?

Back

Domain: Eukarya; Kingdom: Animalia.

Front

What domain do modern humans belong to?

Back

Modern humans belong to the domain Eukarya.

Front

What is the role of a control group in an experiment?

Back

A control group is used as a benchmark to measure how the other tested subjects do.

Front

Define 'independent variable' in an experiment.

Back

The independent variable is the factor that is changed or controlled in a scientific experiment.

Front

What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is the purpose of a hypothesis in scientific research?

Back

A hypothesis is a testable prediction about the relationship between two or more variables.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.