Final REview 2023 Part 2

Front

What is a controlled experiment?

Back

A controlled experiment is a scientific test that isolates and tests a single variable to determine its effect.

Front

What is biology?

Back

Biology is the study of life and living organisms.

Front

What process do some autotrophs use to convert chemical energy into carbohydrates?

Back

Chemosynthesis.

Front

What typically begins the work of scientists?

Back

The work of scientists usually begins with a question or problem.

Front

What is ecology?

Back

Ecology is the branch of biology that deals with interactions among organisms and between organisms and their environment.

Front

What is an autotroph?

Back

An autotroph is an organism that produces its own food, typically through photosynthesis or chemosynthesis.

Front

What is the difference between an independent variable and a dependent variable?

Back

An independent variable is manipulated in an experiment, while a dependent variable is measured to see how it responds to changes in the independent variable.

Front

What is a hypothesis?

Back

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

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 role of a control group in an experiment?

Back

A control group is used as a benchmark to compare the effects of the independent variable.