Bacteria and Archaea Worksheet
An 11th-grade science worksheet covering the characteristics, structures, and ecological roles of bacteria and archaea.
Includes
Standards
Topics
Bacteria and Archaea: The World of Prokaryotes
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Read each question carefully and provide your best answer. Some questions may require you to refer to the provided diagram.
1. Which characteristic is unique to Archaea and not found in Bacteria?
Presence of a cell wall
Circular chromosome
Ether-linked lipids in cell membranes
Reproduction by binary fission
2. Which of the following is NOT a common shape for bacteria?
Coccus
Bacillus
Helical
Polygonal
3. The enzyme is targeted by many antibiotics to weaken bacterial cell walls.
4. Organisms that thrive in extremely hot or acidic environments are known as .
5. Genetic material is exchanged between bacteria through a process called .
6. Describe two key differences in the cell wall composition between Bacteria and Archaea.
7. All bacteria are pathogenic and cause diseases.
True
False
8. Archaea are more closely related to eukaryotes than to bacteria.
True
False
9. Label the following parts of the bacterial cell:
A.
B.
C.
D.
E.
F.
10. Discuss the ecological importance of bacteria and archaea, providing at least three specific examples of their roles in various ecosystems.