Body Organization

What is the basic unit of life?

• cell

• tissue

• organ

• organism

What is a living thing?

• cell

• tissue

• organ system

• organism

a group of tissues working together to perform a specific function

• organism

• organ

• tissue

• cell

Which is the correct order for the levels of organization in living things from SIMPLEST to MOST COMPLEX?

• Organism ---> Organ System ---> Organ ---> Tissue ---> Cell

• Cell --> Tissue --> Organism --> Organ System --> Organ

• Tissue--> Organ --> Cell --> Organism --> Organ System

• Cell --> Tissue --> Organ --> Organ System --> Organism

"A group of similar cells that work together to perform a specific function" - which level of organization does this describe?

• cell

• tissue

• organ

• organ system

What is the definition of an organ system?

• a living thing

• A group of tissues working together to perform a specific function

• A group of organs working together to perform a specific function

• the basic unit of life

which of these is an example of an organ?

• bacteria

• immune system

• brain

• red blood cells

Which of these in an example of an organ system?

• digestive system

• immune system

• nervous system

• all of the above

Which of the following is an example of an organism?

• dog

• heart

• chair

• all of the above

As we move from the smallest level of organization to the biggest, what changes?

• numbers

• intelligence

• adaptation

• complexity