Biology Final Exam Review

Front

What type of cell is characterized by the absence of a nucleus and membrane-bound organelles?

Back

A prokaryote.

Front

What process do plants use to convert carbon dioxide and sunlight into glucose and oxygen?

Back

Photosynthesis.

Front

At what temperature did Elodea canadensis produce the most oxygen in the experiment?

Back

25°C.

Front

What is the primary energy source that drives the water cycle?

Back

Sunlight.

Front

What significant event about 3 billion years ago changed the levels of oxygen and carbon dioxide in Earth's atmosphere?

Back

The evolution of photosynthetic organisms.

Front

What is the basic unit of life?

Back

The cell.

Front

What type of organisms are classified as eukaryotes?

Back

Organisms with cells that contain a nucleus and membrane-bound organelles.

Front

What is the role of decomposers in the ecosystem?

Back

They break down dead organic matter, returning nutrients to the soil.

Front

What is the function of chlorophyll in plants?

Back

Chlorophyll absorbs sunlight for photosynthesis.

Front

What is the main difference between plant and animal cells?

Back

Plant cells have a cell wall and chloroplasts, while animal cells do not.