Hierarchy of Organization and Cell Organelles

Front

Organism

Back

A living thing, with its own metabolism. The simplest organism is a cell, while complex organisms contain organ systems, made of organs, tissues and cells.

Front

Organ System

Back

Part of a complex organism, containing organs working together for a common function.

Front

Organ

Back

Group of tissues working together for a common function or functions.

Front

Tissue

Back

A group of similar cells

Front

Cell

Back

The smallest, possible living thing; composed of organelles working together, usually to form tissue in complex organisms

Front

organelles

Back

Parts of a eukaryotic cell; composed of molecules

Front

Nucleus

Back

Controlling the functions of the cell with genetic information (DNA/Chromosomes/genes)

Front

Cell Membrane

Back

Allows molecules in or out of the cell if they have the right size and shape

Front

Cytoplasm

Back

Fluid inside the cell

Front

Mitochondria

Back

Site of aerobic Cellular Respiration; Where energy is transferred from glucose to ATP in the presence of oxygen