Levels of Organization

Front

What is the basic unit of life?

Back

A cell.

Front

What is a group of similar cells that work together?

Back

A tissue.

Front

What do tissues combine to form?

Back

Organs.

Front

What is the system that includes the brain, spinal cord, and nerves?

Back

The nervous system.

Front

What is the process by which organisms build up or break down materials?

Back

Metabolism.

Front

What is the term for a group of organs that work together to perform a specific function?

Back

An organ system.

Front

What is the smallest level of organization in living things?

Back

Cells.

Front

What is the level of organization that includes multiple systems working together?

Back

An organism.

Front

What is the term for the study of tissues?

Back

Histology.

Front

What type of tissue covers body surfaces and lines cavities?

Back

Epithelial tissue.