Name: ___________________________________ Date: ______________________ Period:________
Coach Lesson 42: Cell Theory (pg. 282)
Vocabulary- Define the following key terms.
1. Cell - _______________________________________________________________________________________
2. Cell Theory – 1. ______________________________________________________________________________
2. ______________________________________________________________________________
3. ______________________________________________________________________________
3. Unicellular - _________________________________________________________________________________
4. Multicellular - ________________________________________________________________________________
Read pages 282-284. Then answer the following questions.
1. What common feature do all living things share? ___________________________________________________
2. Do all organisms have more than one cell? If not, give an example of an organism that is unicellular.
___________________________________________________________________________________________
3. What instrument helped scientists discover cells? __________________________________________________
Fill out the chart below.
Scientist
Robert Hooke
Anton van Leeuwenhoek
Matthias Schlieden
Theodor Schwann
Rudolph Virchow
Discovery or contribution to science
Name: ___________________________________ Date: ______________________ Period:________
Copy the chart on page 283. MEMORIZE IT!!!
The Cell Theory
1.
2.
3.
4. What functions must unicellular cells perform to sustain (carry on) life? What do each of these functions mean?
Function
Definition of this function
5. Compare and contrast unicellular and multicellular cells.
Similarities
1.
1.
2.
2.
3.
3.
Differences
Review Lesson: Get the answers to the following questions on page 284-285. Write out the entire answer.
1. Which statement is part of the cell theory? ________________________________________________________
2. Which scientist first used the word cell to describe what he saw with a microscope? _______________________
3. How do unicellular organisms differ from multicellular organisms?
___________________________________________________________________________________________
___________________________________________________________________________________________
4. To which type(s) of cells does the cell theory apply? _________________________________________________