Objective – Understand that microorganisms range from simple to complex, are found almost everywhere, and are both helpful and harmful.
Name ______
Diversity of Living ThingsWorksheet, Part I
1.1 – Single-celled organisms have all of the characteristics of living things
(pgs. 9-14).
1. An individual fungus, in Oregon, covers more than ______football fields.(Enter a number)
2. Most of the fungus is found where?
a. Above the ground.c. Both above and below the ground.
b. Below the ground.
3. The prefix “micro-“ means…
a. very large.c.very small.
b. between small and large.
4. A microorganism is a(n)…
a. very small organism.c. organism very close.
b. organism very far away.d. very large organism.
5.Compare and contrast the words microorganism and organism. (There are two or more answers to this question.)
a. An organism is any living thing.
b. Only microorganisms are living.
c. Only organisms are living.
d. Microorganisms are living things too small to see.
6. Most microorganisms are made of…
a. many cells.b. one cell.
7. The ______is the basic unit of life.
a. microorganismc. virus
b. celld. heart
Use the graph to answer questions #8-#10.
8.After three hours, there are ______bacteria. (Enter a number)
9. After seven hours, there are ______bacteria. (Enter a number)
10.Suppose the colony continues growing. After nine hours, there will be ______bacteria. (Enter a number)
1.2 – Bacteria are single-celled organisms without a nucleus (pgs. 16-21).
11. ______are the simplest form of life.
a. Archaec. Fungi
b. Bacteriad. Protozoan
12. These are the smallest living things. (There are two or more answers to this question.)
a. Archaec. Fungi
b. Bacteriad. Protozoan
Identify the parts of a bacterium.
_____13.Cell Membrane_____14. Cell Wall
_____15. Cytoplasm
_____16. DNA / A. A
B. B
C. C
D. D
Use the picture to answer questions #17-#19.
A B C
17. Spiral-shaped (spirilli) bacteria.
a. Ac. C
b. B
18. Rod-shaped (bacilli) bacteria.
a. Ac. C
b. B
19. Round-shaped (cocci) bacteria.
a. Ac. C
b. B
Match the organism with its description.
_____20. Archae_____21. Halophiles
_____22. Methanogens
_____23. Thermophiles / A. Live in very salty lakes and ponds.
B. Single-celled organisms that can survive in the largest range of environment.
C. These that their name from the natural gas they produce.They die if exposed to oxygen.
D. Thrive in extreme heat or cold.
24. Bacteria that transform energy from sunlight into energy that can be used by cells are called…
a. consumers.c. producers.
b. parasites.d. decomposers.
25. ______get energy by breaking down materials in dead or decaying organisms.
a. consumers.c. producers.
b. parasites.d. decomposers.
26. Some bacteria live in a very close relationship either inside or on the surface of other organisms.
a. consumers.c. producers.
b. parasites.d. decomposers.
27.One shovelful of dirt contains ______of bacteria.
a. thousandsc. billions
b. millionsd. trillions
28. What do cities use to break down sewage?
a. Archaec. Fungi
b. Bacteriad. Protozoan
29. Which is a way bacteria can cause symptoms of disease?
a. They can invade parts of the body, multiplying in body tissues.
b. They can poison the body with chemicals the produce and release.
c. They can poison the body with chemicals that are part of the bacteria
themselves.
d. All of the above.
Diversity of Living ThingsText Worksheet – Key
1.1 – Single-celled organisms have all of the characteristics of living things
(pgs. 9-14).
1. An individual fungus, in Oregon, covers more than ______football fields. (Enter a number)
2. Most of the fungus is found where?
a. Above the ground.c. Both above and below the ground.
b. Below the ground.
b. Below the ground (3 choices)
3. The prefix “micro-“ means…
a. very large.c. very small.
b. between small and large.
c. very small (3 choices)
4. A microorganism is a(n)…
a. very small organism.c. organism very close.
b. organism very far away.d. very large organism.
a. very small organism.
5. Compare and contrast the words microorganism and organism. (There are two or more answers to this question.)
a. An organism is any living thing.
b. Only microorganisms are living.
c. Only organisms are living.
d. Microorganisms are living things too small to see.
a. An organism is any living thing; d. Microorganisms are living things too small to see.
6. Most microorganisms are made of…
a. many cells.b. one cell.
b. one cell. (2 choices)
7. The ______is the basic unit of life.
a. microorganismc. virus
b. celld. heart
b. cell
Use the graph to answer questions #8-#10.
8. After three hours, there are ______bacteria. (Enter a number)
4
9. After seven hours, there are ______bacteria. (Enter a number)
32
10.Suppose the colony continues growing. After nine hours, there will be ______bacteria. (Enter a number)
256
1.2 – Bacteria are single-celled organisms without a nucleus (pgs. 16-21).
11. ______are the simplest form of life.
a. Archaec. Fungi
b. Bacteriad. Protozoan
a. Bacteria
12. These are the smallest living things. (There are two or more answers to this question.)
a. Archaec. Fungi
b. Bacteriad. Protozoan
a. Archae; b. Bacteria
Identify the parts of a bacterium.
_____13. Cell Membrane_____14. Cell Wall
_____15. Cytoplasm
_____16. DNA / A. A
B. B
C. C
D. D
A 14.Cell Membrane
C 14. Cell Wall
B 15. Cytoplasm
D 16. DNA
A 14.Cell Membrane
C 14. Cell Wall
B 15. Cytoplasm
D 16. DNA
Use the picture to answer questions #17-#19.
A B C
17. Spiral-shaped (spirilli) bacteria.
a. Ac. C
b. B
c. C (3 choices)
18. Rod-shaped (bacilli) bacteria.
a. Ac. C
b. B
a. A (3 choices)
19. Round-shaped (cocci) bacteria.
a. Ac. C
b. B
b. B (3 choices)
Match the organism with its description.
_____20. Archae_____21. Halophiles
_____22. Methanogens
_____23. Thermophiles / A. Live in very salty lakes and ponds.
B. Single-celled organisms that can survive in the largest range of environment.
C. These that their name from the natural gas they produce. They die if exposed to oxygen.
D. Thrive in extreme heat or cold.
B 10. Archae
A 11. Halophiles
C 12. Methanogens
D 13. Thermophiles
24. Bacteria that transform energy from sunlight into energy that can be used by cells are called…
a. consumers.c. producers.
b. parasites.d. decomposers.
c. producers.
25. ______get energy by breaking down materials in dead or decaying organisms.
a. consumers.c. producers.
b. parasites.d. decomposers.
d. decomposers.
26. Some bacteria live in a very close relationship either inside or on the surface of other organisms.
a. consumers.c. producers.
b. parasites.d. decomposers.
b. parasites.
27. One shovelful of dirt contains ______of bacteria.
a. thousandsc. billions
b. millionsd. trillions
d. trillions
28. What do cities use to break down sewage?
a. Archaec. Fungi
b. Bacteriad. Protozoan
d. Bacteria
29. Which is a way bacteria can cause symptoms of disease?
a. They can invade parts of the body, multiplying in body tissues.
b. They can poison the body with chemicals the produce and release.
c. They can poison the body with chemicals that are part of the bacteria
themselves.
d. All of the above.
d. All of the above.
Diversity of Living Things Text Worksheet
Scoring Guide
28-29 – 426-27 – 3.5
25 – 3
22-24 – 2.5
19-21 – 2
16-18 – 1.5
13-15 – 1
1-12 – .5
0 – 0
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