Hierarchical Organization of Organisms

Front

What is an organ?

Back

An organ is a collection of tissues that work together to perform a specific function in the body.

Front

What is the correct order of organization in living systems?

Back

Cells → Tissues → Organs → Organ Systems → Organisms → Ecosystems.

Front

What are tissues?

Back

Tissues are groups of similar cells that work together to perform a specific function.

Front

What is an organ system?

Back

An organ system is a group of organs that work together to perform complex functions in the body.

Front

What is the smallest unit of life?

Back

The cell is the smallest unit of life.

Front

What is the relationship between cells and tissues?

Back

Cells make up tissues; tissues are composed of groups of similar cells.

Front

What is an example of an organ?

Back

The heart is an example of an organ that pumps blood throughout the body.

Front

What is an example of an organ system?

Back

The circulatory system is an example of an organ system that includes the heart and blood vessels.

Front

What is the function of the respiratory system?

Back

The respiratory system is responsible for taking in oxygen and expelling carbon dioxide.

Front

What is the difference between an organism and an ecosystem?

Back

An organism is a single living entity, while an ecosystem is a community of living organisms interacting with their environment.