Question of the Day

1
Question of the Day

• If you looked at a drop of pond water under the
  microscope, what would you see?

2
Cell Structure and Function

• Chapter 7.1 Life is Cellular

3
The Discovery of the Cell

• Robert Hooke
• 1665
• Englishman
• Looked a slice of cork
• (plant material) under an
• early microscope
• Found the cork was made up of thousands of small
  chambers
• He called these chambers cells

4
The Discovery of the Cell

• Anton von Leeuwenhoek
• 1674 Holland, The Netherlands
• Considered to be the Father of Microbiology
• First to observe living microorganisms using
• a microscope
• Bacteria
• Protists

5
Microscopes Over the Ages
6
Co-Founders of The Cell Theory

• Matthias Schleiden, Botanist, 1837
• All plants are made of cells.
• Theodor Schwann, Physiologist, 1838
• All animals are made of cells
• Rudolf Virchow, 1858
• All cells are made from the division
• of existing cells

7
The Discovery of the Cell

• The Cell Theory
• All living things are made up of cells.
• Cells are the basic units of structure and
  function in living things.
• New cells are produced from existing cells.

Cells the basic unit of life