Download DR10.1a Bacteria and Archaea

Name __________________________________
DR10.1a Bacteria and Archaea
_____ 1. How many domains of living things are there?
a. one
c. three
b. two
d. four
_____ 2. The oldest forms of life on Earth are in the domains
a. Bacteria and Archaea.
c. Eukarya and Archaea.
b. Bacteria and Eukarya.
d. Bacteria and Fungi.
SOME CHARACTERISTICS OF BACTERIA AND ARCHAEA
_____ 3. Bacteria are usually
a. rod shaped, spherical, or spiral shaped.
b. rod shaped, spherical, or cone shaped.
c. rod shaped, pyramidal, or spherical.
d. cube shaped, spherical, or spiral shaped.
_____ 4. What gives bacteria their shape?
a. their size
b. their environment
c. their color
d. their cell wall
Match the correct description with the correct term.
_____ 5. rod shaped bacteria, with large surface area to take in nutrients
_____ 6. long, spiral shaped bacteria, with corkscrew -like flagella
_____ 7. spherical, do not dry out as quickly as others
a. cocci
b. bacilli
c. spirilla
8. Hair-like parts that spin to push bacteria through water are called ___________.
9. Single-celled organism l without a nucleus is called a ____________________.
10. Cells with a nucleus are called ______________________.
11. What are three ways that prokaryotes are like eukaryotes?
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12. What are three ways that prokaryotes function differently from eukaryotes?
_________________________________________________________________
______________________ ________________________________________________
13. Asexual reproduction in a single-celled organism by which one cell divides into
two single-celled organisms is called ______________________ .
14. What are the four steps of reproduction by binary fission?
_______________________________________________________________
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Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
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Bacteria and Viruses
Name __________________________________
15. A thick-walled protective spore that forms inside a bacterial cell and resists
harsh conditions is called a(n) ______________________
16. What may happen to endospores when hot, cold, or dry conditions improve?
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THE DOMAIN BACTERIA
_____ 17. Most known prokaryotes are
a. archaea.
c. fungi.
b. protista.
d. bacteria.
_____ 18. Domain that has more individuals than all other domains combined is
a. Fungi.
c. Bacteria.
b. Archaea.
d. Eukarya.
_____ 19. Most bacteria are
a. consumers.
b. producers.
c. decomposers.
d. scavengers.
Match each description with the correct term.
a. producers
b. decomposers
c. consumers
_____ 20. bacteria that feed on dead organisms
_____ 21. bacteria that eat other organisms or live in their
_____ 22. bacteria that use energy from sunlight to make food
23. Producer bacteria with green chlorophyll are called _____________________.
24. What are two effects of pigments found in cyanobacteria?
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25. How do some scientists believe bacteria similar to cyanobacteria helped give
rise to the first plants on Earth, billions of years ago?
_______________________________________________________________
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THE DOMAIN ARCHAEA
Match the description with the correct term.
_____ 26. archaea living in ocean vents and hot springs at 60° - 80° C
a. salt lovers
_____ 27. archaea living in places like the Dead Sea or Great Salt Lake
b. methane makers
_____ 28. archaea that live in swamps and animal intestines
c. heat lovers
29. What kind of environment do archaea prefer? Give two examples.
_______________________________________________________________
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30. What is one difference between the cells of archaea and the cells of bacteria?
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Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
2
Bacteria and Viruses