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12 questions
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
The skin is an example of what level of biological organization?
cell
organ
tissue
organism
According to the levels of biological organization, which level comes next: cell → tissue →
organ system
all living things
organ
organism
Why are all cells different?
all cells are the same
different cells perform different functions
multicellular organisms can live with one type of cell
What is a multicellular organism?
an organism with only one cell
bacteria
an organism with more than one type of cell
Which one is an example of a multicellular organism?
tree
bacteria
protezoa
Which one is an example of a unicellular organism?
a tree
bacteria
a dog
a person
What is a unicellular organism?
an organism that can live with only one cell
an organism with more than one cell
What level of biological organization is the largest (includes all other levels)?
organ
organ systems
organism
cells
What is the largest organ in the body?
heart
brain
stomach
skin
Blood is an example of what level of organization?
cell
tissue
organ
organ system
Multicellular organisms and unicellular organisms can both reproduce, grow, and develope
true
false
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