Levels of Organization in Biology

Front

What is the basic unit of life?

Back

Cell

Front

What is a group of similar cells that perform a specific function called?

Back

Tissue

Front

What is an organ?

Back

A group of tissues working together to perform a specific function.

Front

What is an organ system?

Back

A group of organs that work together to perform complex functions.

Front

What is an organism?

Back

A complete living entity capable of independent existence.

Front

What type of cell has a membrane-bound nucleus?

Back

Eukaryotic cell.

Front

What type of cell lacks a membrane-bound nucleus?

Back

Prokaryotic cell.

Front

What is the correct order of biological organization from simplest to most complex?

Back

Cell, Tissue, Organ, Organ System, Organism.

Front

What are chromosomes?

Back

Structures within cells that contain DNA and determine cell function.

Front

What is differentiation in biology?

Back

The process by which cells become specialized in structure and function.