Cell Organization Levels

The levels of organization from the simplest to the most complex are

• Cells, tissues, organs, organ systems, organism

• Organisms, organs, tissues, cells, organ systems

• Cells, organs, organ systems, tissues, organism

• Tissues, cells, organs, organism

Tags

NGSS.MS-LS1-3

A group of organs working together to perform a life function for a multicellular organism would be called a(n)

• organ system

• organism

• tissue

• organ

Tags

NGSS.MS-LS1-3

Which of the following is the LEAST complex level of organization?

• Tissue

• Organism

• Cell

• Organ

A group of the same type of cells that work together for a purpose are called -

•  a tissue

• an organ

• an organ system

• an unicellular organism

Tags

NGSS.MS-LS1-3

The smallest level of organization of life in an organism

• tissue

• cell

• organ

• organ system

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Groups of cells with similar functions.

• Organs

• Molecules

• Tissues

• Organelles

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3

A scientist used a microscope to observe a prepared sample on a slide. The scientist’s observations are shown. The drawing illustrates which two levels of biological organization?

• cell

• tissue

• organ

• organism

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

The cell is the building block of all living things.

• True

• False

Tags

NGSS.MS-LS1-1

Which instrument is credited for helping scientists develop cell theory?

•  the microscope

• a hand lens

• an electronic balance

• a thermometer

Tags

NGSS.MS-LS1-1

The most basic unit of life is

• a cell

• an organ

• an organ system

• a tissue

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2