Biology SOL Review #1

Front

What is an independent variable?

Back

The independent variable is the one that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

How many independent variables should an experiment have for it to be valid?

Back

An experiment should have only 1 independent variable to ensure that the results are due to that variable alone.

Front

What does the cell theory state?

Back

The cell theory states that all organisms are made of cells, cells are the basic unit of structure and function for life, and cells come from pre-existing cells.

Front

What is a multicellular organism?

Back

A multicellular organism is an organism that is made up of multiple cells.

Front

What is the function of enzymes?

Back

Enzymes speed up chemical reactions in the body.

Front

What is a dependent variable?

Back

The dependent variable is the variable that is measured in an experiment and is affected by the independent variable.

Front

What is a control group?

Back

A control group is a group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.

Front

What is the basic unit of life?

Back

The basic unit of life is the cell.

Front

What is the difference between unicellular and multicellular organisms?

Back

Unicellular organisms consist of a single cell, while multicellular organisms are made up of multiple cells.

Front

What role do enzymes play in biological reactions?

Back

Enzymes act as catalysts to speed up biological reactions without being consumed in the process.