Objective - Understand that microorganisms are found almost everywhere.
Name ______
Diversity of Living Things 1.1 – Worksheet
Match the term with its definition. (Definitions are found at the beginning of each section.)
_____1. Algae_____2. Archae
_____3. Bacteria
_____4. Decomposer
_____5. Microorganisms
_____6. Plankton
_____7. Producer
_____8.Protozoa / A. A very small organism.
B. Organisms that can survive in environments that are very hot, very cold, or contain poisonous to most living things.
C. Organisms that drift in water.
D. Organisms that get energy by breaking down dead or decaying organisms.
E. Organisms that make their own food from sunlight.
F. Single- and multi-celled protists that use sunlight as an energy source.
G. The simplest kind of life known on Earth.
H. They eat other organisms or decaying parts of other organisms; animal-like.
1.1 – Single-celled organisms have all of the characteristics of living things.
9. This organism covers an area of over 1,600 football fields. What is this living thing?
a. Algaec. Fungi
b. Bacteriad. Protozoan
10. For every living thing that is large enough to be seen, there are often fewer numbers of smaller living things that have the same living space.
a. Trueb. False
11. The tiny ______living inside your body are organisms.
a. archaec. algae
b. fungid. bacteria
12. 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.
13. This may be living space for many organisms in a mangrove swamp.
a. Treesc. A single drop of water
b. Roots of treesd. Grasslands
14. Living things are… (There are two or more answers to this question.)
a. able to grow.c. able to reproduce.
b. organized.d. able to respond to the environment.
15. The ______is the basic unit of life.
a. microorganismc. virus
b. celld. heart
16. All single-celled organisms contain everything they need to survive.
a. Trueb. False
17. Microorganisms are made up of how many cells?
a. 1c. 3
b. 2d. many
18. All living things need…
a. food.c. light.
b. energy.d. nourishment.
19. The ability to respond allows a microorganism to… (There are two or more answers to this question.)
a. find food.c. avoid being eaten.
b. perform tasks necessary to survive.d. reproduce.
20. Most of the activities of living things take place in…
a. air.c. the environment.
b. body.d. water.
Use the graph to answer questions #21-#23.
21. How many bacteria are in the colony after three hours?
a. 1e. 16
b. 2f. 32
c. 4g. 64
22. After seven hours, how many bacteria are in the colony?
a. 1e. 16
b. 2f. 32
c. 4g. 64
d. 8h. 128
23. Suppose the colony continues growing. How many bacteria will there be after nine hours?
a. 256c. 1014
b. 512d. 2028
Diversity of Living Things 1.1– Worksheet – Key
1.1 – Single-celled organisms have all of the characteristics of living things.
F 1. Algae
B 2. Archae
G 3. Bacteria
D 4. Decomposer
A 5. Microorganisms
C 6. Plankton
E 7. Producer
H 8. Protozoa
9. This organism covers an area of over 1,600 football fields. What is this living thing?
c. Fungi
10. For every living thing that is large enough to be seen, there are often fewer numbers of smaller living things that have the same living space.
b. False
11. The tiny ______living inside your body are organisms.
d. Bacteria
12. Compare and contrast the words microorganism and organism. (There are two or more answers to this question.)
a. An organism is any living thing; d. Microorganisms are living things too small to see.
13. This may be living space for many organisms in a mangrove swamp.
c. A single drop of water.
14. Living things are… (There are two or more answers to this question.)
a. able to grow; b. organized; c. able to reproduce; d. able to respond to the environment.
15. The ______is the basic unit of life.
b. cell
16. All single-celled organisms contain everything they need to survive.
a. True
17. Microorganisms are made up of how many cells?
a. 1
18. All living things need…
b. energy.
19. The ability to respond allows a microorganism to… (There are two or more answers to this question.)
a. find food; b. perform tasks necessary to survive; c. avoid being eaten.
20. Most of the activities of living things take place in…
d. water.
21. How many bacteria are in the colony after three hours?
c. 4
22. After seven hours, how many bacteria are in the colony?
g. 64
23. Suppose the colony continues growing. How many bacteria will there be after nine hours?
a. 256
Diversity of Living Things 1.1 – Worksheet – Scoring Guide
1. F (8 choices)2. B (8 choices)
3. G (8 choices)
4. D (8 choices)
5. A (8 choices)
6. C (8 choices)
7. E (8 choices)
8. H (8 choices)
9. c
10. b (2 choices)
11. d
12. a, d
13. c
14. a,b,c,d
15. b
16. a (2 choices)
17. a
18. b
19. a,b,c
20 d.
21. c (8 choices)
22. g (8 choices)
23. a / Scoring Guide
21-23 – 4
15-20 – 3
7-14 – 2
1-8 – 1
0 – 0