Bacteria and Archaea Exploration
This worksheet explores the fundamental characteristics, structures, and roles of bacteria and archaea in various environments.
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Bacteria and Archaea Exploration
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Read each question carefully and provide thoughtful answers. Some questions may require you to refer to the provided image.
1. Which of the following is a key characteristic that distinguishes bacteria and archaea from eukaryotes?
Presence of a nucleus
Multicellularity
Prokaryotic cell structure
Ability to photosynthesize
2. Which of the following environments would you most likely find archaea?
Human skin
Boiling hot springs
Freshwater lakes
All of the above
3. Observe the diagram of a bacterial cell below. Label at least three key structures.
4. Bacteria and archaea are both organisms, meaning their cells lack a true nucleus and other membrane-bound organelles.
5. Some bacteria are beneficial to humans, for example, those found in our gut that aid in .
6. All bacteria are harmful to humans.
True
False
7. Archaea are more closely related to eukaryotes than to bacteria.
True
False
Match the term on the left with its description on the right.
8. Flagella
a. Hair-like appendages for attachment
9. Pili
b. Whip-like structures for movement
10. Capsule
c. Outer protective layer