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4 Tutorials that teach 8 Levels of Organization
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8 Levels of Organization
Next Generation: MS.LS1.1 NGSS

8 Levels of Organization

Author: Nathan Lampson
Description:

The components of organisms can be divided into smaller units to examine life on different levels of organization. Learn how scientists categorize components of living things, such as cells, tissues, or organ systems, by comparing their structure and function.

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Tutorial

 

The components of organisms can be divided into smaller units to examine life on different levels of organization.  

 

Atom

the smallest unit of a pure substance.  

Example: Carbon

 

Molecules

combinations of atoms forming a structure

Example: Water

 

Organelle

cellular structures that carry out specific functions

Example: Mitochondria

 

Cell

the smallest unit of life

Example: Bacteria

 

Tissue

cells that work together to perform a function

 

Example: Muscle Tissue

 

Organ

tissues that work together to perform a function

Example: Heart

 

Organ System

organs that work together to perform a function

 

Example: Circulatory

 

Organism

a living thing composed of a cell or cells and possibly tissues, organs, and organ systems.

Example: Kangaroo