Hierarchical Organization of Organisms

Front

What is the basic unit of life?

Back

Cell

Front

When similar cells group together, they form what is called?

Back

Tissue

Front

What is a collection of tissues that work together to perform a specific function?

Back

Organ

Front

What is the term for a group of organs that work together to perform complex functions?

Back

Organ system

Front

What is the highest level of organization in living organisms?

Back

Organism

Front

What is the term for a group of organisms of the same species living in the same area?

Back

Population

Front

What is the term for all the living and non-living things in a particular area?

Back

Ecosystem

Front

What comes before tissues in the hierarchical organization of living things?

Back

Cells

Front

What is the difference between a cell and a tissue?

Back

A cell is the basic unit of life; a tissue is a group of cells that work as one.

Front

What is an example of an organ in the human body?

Back

Heart, liver, or brain.