Unit 1 Review questions

Front

What is metabolism?

Back

Metabolism is the building up or breaking down of materials in the body, encompassing all chemical activities.

Front

What question is being tested if a student asks, 'Does fertilizer make plants grow taller?'

Back

The question being tested is whether fertilizer has an effect on plant growth.

Front

In an experiment, what is the dependent variable?

Back

The dependent variable is the factor that is measured or observed, such as heart rate in an exercise study.

Front

True or False: To be considered living, an organism must exhibit all characteristics of life.

Back

True.

Front

What is the basic metric unit for mass?

Back

The basic metric unit for mass is the gram (g).

Front

Define homeostasis.

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite external changes.

Front

What is a stimulus in biological terms?

Back

A stimulus is any change in the environment that causes a response in an organism.

Front

What is the scientific method?

Back

The scientific method is a systematic approach to inquiry that involves making observations, forming hypotheses, conducting experiments, and drawing conclusions.

Front

What is the independent variable in an experiment?

Back

The independent variable is the factor that is changed or manipulated by the researcher.

Front

What is the metric unit for measuring volume?

Back

The basic metric unit for measuring volume is the liter (L).