Transcript The Basic Unit - missmbrougham

The Basic Unit
SWBAT state the cell theory; list
and describe the four functions
common to all cells
Specialized Cells
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Cell
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
The tiny living structures that make up all
living things.
What does it mean if a cell is specialized?

They perform functions no other cells do
The Cell Theory

Who was the first person to use the word
cell?
Robert Hooke, 1665
 Noticed the tiny boxlike structures in a slice of
cork her was observing
 Looked like rows of cells

Cell Theory states
All cells come from preexisting cells
 All living things are made of cells and of
the products of cells
 The functions of living things are
performed by the cells they are made of

Cellular Function

All cells use energy


Without energy, cells dies
All cells manufacture materials
Growth and maintenance
 Waste

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All cells respond to their environment
Adjust chemical levels
 Adjust activities
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All cells reproduce themselves

Divide to create new cells