Biology Semester 1 Final Review

Front

What is the process by which plants convert sunlight into energy?

Back

Photosynthesis is the process by which plants convert sunlight into energy, using carbon dioxide and water to produce glucose and oxygen.

Front

What is the primary source of energy for all living things?

Back

The primary source of energy for all living things is the sun.

Front

What is an independent variable in an experiment?

Back

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

Front

What is hypoxia?

Back

Hypoxia is a condition characterized by low oxygen levels in water, which can be detrimental to aquatic life.

Front

What is eutrophication?

Back

Eutrophication is the process by which excessive nutrients, often from fertilizer runoff, lead to algal blooms in aquatic ecosystems.

Front

What are algal blooms?

Back

Algal blooms are rapid increases in the population of algae in water bodies, often caused by excess nutrients, which can deplete oxygen and harm aquatic life.

Front

What is the role of carbon dioxide in photosynthesis?

Back

Carbon dioxide is one of the raw materials used by plants during photosynthesis to produce glucose.

Front

What is the role of oxygen in photosynthesis?

Back

Oxygen is a byproduct of photosynthesis, released into the atmosphere as plants convert carbon dioxide and water into glucose.

Front

What is a control variable in an experiment?

Back

A control variable is a factor that is kept constant throughout an experiment to ensure that the results are due to the independent variable.

Front

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

Back

The independent variable is manipulated by the researcher, while the dependent variable is measured to see how it is affected by changes in the independent variable.