Smart Dudes
Observed bark of cork trees under a
microscope Called his discovery cells
Robert Hooke
increase in size
Growth
this type of cell does NOT have a nucleus
prokaryote
keeping conditions
inside the organism within tolerable
limits (balanced)
Homeostasis
Fill in the blank:
The first part of cell theory states that all ______________ are made of cells.
organism
Concluded all plant tissues are
composed of cells
Declared that the cell is the basic
building block of all plant matter
Mathias Schleiden
protection against enemies
Defense
this type of cell DOES have a nucleus
eukaryote
chemical reactions
inside the cell
Metabolism-
Fill in the blank:
The second part of the cell theory states that ___________ are the basic unit of life.
cells
Concluded that all animal tissues 1839
are composed of cells,
Collaborated with Schleiden to form
a new theory in biology
Theodor Schwann
producing offspring (sexually or asexually)
Reproduction
single-celled organisms are this type of cell
prokaryote
contains DNA instructions for the cell
nucleus
Fill in the blank:
The third part of the cell theory states that all cells result from the division of _____________ existing living cells.
previously
Developed the microscope lens to
see greater magnification
First person to observe bacteria and
protozoa (single-celled animal)
Anton van Leeuwenhoek
perceiving and
responding to changes in the
environment
Response
organisms that are made up of many cells are
eukaryote
Obtaining food to provide energy for growth
Nutrition
plant
Proposed that third part of cell
theory
3. All cells result from the
division of previously existing
living cells
Rudolph Virchow
Which of the scientists we studied sensed the importance of the nucleus of a cell?
Mathias Schleiden
Which of the scientists we studied first observed and described red blood cells?
Anton van Leeuwenhoek
Which two scientists that we studied could not agree on how cells were made?
Mathias Schleiden
Theodor Schwann
Bio means __________ and ology means the __________ of. Therefore, biology is the study of life.
lifes
study