7.13B Biological Levels of Organization

What is a cell?

• the basic unit of life

• a group of tissues working together to perform a function

• the largest level of biological organization

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The skin is an example of what level of biological organization?

• cell

• organ

• tissue

• organism

• organ system

• all living things

• organ

• organism

The smallest units of life in plants are –

• 
• 
• 
• 

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Tissues working together to perform specialized functions are called -

• an organ.

• an organism.

• a population.

• a cell.

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In the sequence from simplest to most complex level of organization, which level is 1 level more complex than cells?

• Cells

• Tissues

• Organ Systems

• Organisms

Look at the Level of Organization diagram. What would be the accurate term for the level of complexity in row X?

• Cell

• Organ

• Organism

• Tissue

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NGSS.MS-LS1-3

The respiratory system is made up of airways, lungs, & respiratory muscles. Lungs are classified as –

• cells.

• tissues.

• organs.

• organisms.

What is a group of cells that are alike and work together?

• a cell team

• a tissue

• a cell family

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A group of tissues that work together is a(n) ______________________.

• cell

• organ

• organ system

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