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Spontaneous
Generation
a. The previously
popular notion that
living organisms
arise or develop
from nonliving
matter.
Zacharias Janseen
a. Janseen was born in
year 1580 and died in year
1638
b. Janseen was credited
with the invention of the
first telescope
c. The discovery that was
made was the object near
Robert Hooke
a. Hooke was born
on July 18, 1635
and died March 3,
1703.
b. Hooke devised
the compound
microscope and
illumination system
Anton van Leeuwenhoek
a. He was born October
24, 1632 and died August
30, 1723
b. Anton van
Leeuwenhoek was
important in developing in
the microscope. His
creations were a great
Matthias Schleiden
a. Schleiden was
born on April 5,
1804 and died June
23, 1881
b. He states that all
plant tissues are
composed of cells,
and that cells are
Theodor Schwann
a. He was born
December 7, 1810 and
died January 11, 1882
b. These scientists then
worked together,
combining the two (2)
sciences of BOTONY and
ZOOLOGY and lead the
Rudolf Virchow
a. Virchow was
born October 13,
1821 and died
September 5, 1902
b. He wrote a book
called Cellular
Pathology. It
proposed the basic
Louis Pasteur (1822-
1895)
a. Pasteur experimented
on soup in the mid-1860s
employing filtered air and
flasks with straight necks
and long S-shaped necks.
b. He discovered that air-
Cell Theory
-All living cells arise
from pre-existing
cells by division.
-The cell is the
fundamental unit of
structure and
function in all living
organisms.
Cell Theory by Vanessa Johnson-Walker
Spontaneous
Generation
a. The previously
popular notion that
living organisms
arise or develop
from nonliving
matter.
Zacharias Janseen
a. Janseen was born in
year 1580 and died in year
1638
b. Janseen was credited
with the invention of the
first telescope
c. The discovery that was
made was the object near
Robert Hooke
a. Hooke was born
on July 18, 1635
and died March 3,
1703.
b. Hooke devised
the compound
microscope and
illumination system
Anton van Leeuwenhoek
a. He was born October
24, 1632 and died August
30, 1723
b. Anton van
Leeuwenhoek was
important in developing in
the microscope. His
creations were a great
Matthias Schleiden
a. Schleiden was
born on April 5,
1804 and died June
23, 1881
b. He states that all
plant tissues are
composed of cells,
and that cells are
Theodor Schwann
a. He was born
December 7, 1810 and
died January 11, 1882
b. These scientists then
worked together,
combining the two (2)
sciences of BOTONY and
ZOOLOGY and lead the
Rudolf Virchow
a. Virchow was
born October 13,
1821 and died
September 5, 1902
b. He wrote a book
called Cellular
Pathology. It
proposed the basic
Louis Pasteur (1822-
1895)
a. Pasteur experimented
on soup in the mid-1860s
employing filtered air and
flasks with straight necks
and long S-shaped necks.
b. He discovered that air-
Cell Theory
-All living cells arise
from pre-existing
cells by division.
-The cell is the
fundamental unit of
structure and
function in all living
organisms.