Levels of Organization and Body Systems

Which of the following is the correct order of organization in living things from most basic (simple) to most complex?

• a.  Organism, cell, tissue, organ, organ system

• a.  Organ system, organ, tissue, cell, organism

• a.  Cell, tissue, organ, organ system, organism

• a.  Cell, organ, tissue, organ, organism, organ system

A group of similar cells that come together to perform a specific function is a/an

• organ

• organism

• organ system

• tissue

Tags

NGSS.MS-LS1-3

When a group of organs work together to perform a particular function they create a/an

• organ system

• organism

• tissue

• organ

Tags

NGSS.MS-LS1-3

The smallest level of organization of life in an organism is a ____________.

• tissue

• cell

• organ

• organ system

Tags

NGSS.MS-LS1-1

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Our bodies have levels of organization that build upon each other. Our ​ (a)   make up tissues, ​ (b)   make up organs, and organs make up ​ (c)   .

• cells

• tissues

• organ systems

• organism

Tags

NGSS.MS-LS1-3

The smallest level of organization in humans is the ​ (a)   . When many of these cooperate and work together they create a ​ (b)   . This level of organization forms an ​ (c)   when multiple specialized cell collections work together to gain a new function. Once formed, this level works together to form a network of interacting subunits to create an ​ (d)   . Ultimately, when all of these levels work together, they will form an ​ (e)   , in other words, a wonderful you!

• cell

• tissue

• organ

• organ system

• organism

• organelle

• mitochondria

• nucleus

• ligament

• nerve

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

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A collection of the same kinds of cells working together to do the same job.

• cells

• tissues

• organs

• systems

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

Organ systems are made of ​ (a)   which are composed of specialized cells that work together called ​ (b)   . Each cell of the human body contains small structures that perform a specific function and they are called ​ (c)   .

• organs

• tissues

• organelles

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Match the level of organization to its definition.

• Basic unit of life

• Organism

• A living thing with organized structure

• Organ System

• A group of cells that work together

• Organ

• A group of organs that work together

• Tissue

• A group of tissues that work together

• Cell

Label the organization of our bodies.​ ​

• Tissues

• 
• Organs

• 
• Organ System

• 
• Cells

• 

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3