Objective - Understand that microorganisms are found almost everywhere.
Name _________________________________________________________
Diversity of Living Things 1.4 – Worksheet
1. These are the most complex single-celled organisms found on Earth.
a. Archae
b. Bacteria
c. Fungi
d. Protists
2. This scientist discovered protists.
a. Robert Hooke
b. Edward Jenner
c. Louis Pasteur
d. Anton van Leeuwenhoek
3. Protists include all organisms with cells having a nucleus and not belonging to the…
(There are two or more answers to this question.)
a. animal kingdom.
b. fungi kingdom.
c. plant kingdom.
d. moneran kingdom.
4. Protists may be considered a collection of leftover organisms.
a. True
b. False
5. Most protists live in water.
a. True
b. False
6. Protists include some organisms with many cells. Seaweed and kelp are examples of
this type of protist.
a. Algae
b. Bacteria
c. Fungi
d. Protozoan
7. Algae are…
a. consumers.
b. decomposers.
c. producers.
d. parasites.
8. How do the organisms pictured at the top of pg. 32 get their energy?
a. They get their energy by eating food.
b. They capture sunlight and convert it to usable energy.
c. They absorb nutrients from their environment, like fungi.
Objective - Understand that microorganisms are found almost everywhere.
9. Through the process of photosynthesis, algae inhale ____________________ and
exhale _____________________. (There are two or more answers to this
question.)
a. carbon dioxide
b. carbon monoxide
c. nitrogen
d. oxygen
10. Phytoplankton produce most of the ________ we breathe.
a. carbon dioxide
b. carbon monoxide
c. nitrogen
d. oxygen
11. Protists that eat other organisms, or decaying part of other organisms, are called…
a. algae.
b. bacteria
c. fungi.
d. protozoans.
12. A paramecium moves around using thousands of short, wavy strands called…
a. pseupods.
b. flagella.
c. cilia.
13. This is one of the most significant human diseases and is caused by a protist.
a. Giardiasis
b. Malaria
c. Plague
d. Athlete’s foot
14. How do protozoa and algae differ in the way they obtain energy?
a. Protozoa eat other organisms to get energy and algae get energy from the Sun.
b. Algae eat other organisms to get energy and protozoa get energy from the Sun.
c. They both get energy from eating other organisms.
d. They both get energy from the Sun.
15. Protists that break down organisms to obtain energy are…
a. consumers.
b. parasites.
c. producers.
d. decomposers.
16. This protist lives on decaying plants on the forest floor.
a. Amoeba
b. Euglena
c. Paramecium
d. Slime mold
Objective - Understand that microorganisms are found almost everywhere.
17. How do fungus-like protists get their energy?
a. Break down dead organisms and absorb the food.
b. From the Sun.
c. Eating other organisms.
d. From the Sun and eating other organisms.
Objective - Understand that microorganisms are found almost everywhere.
Diversity of Living Things 1.4 – Worksheet
1. These are the most complex single-celled organisms found on Earth.
d. Protists
2. This scientist discovered protists.
d. Anton van Leeuwenhoek
3. Protists include all organisms with cells having a nucleus and belonging to the…
(There are two or more answers to this question.)
a. animal kingdom; b. fungi kingdom; c. plant kingdom
4. Protists may be considered a collection of leftover organisms.
a. True
5. Most protists live in water.
a. True
6. Protists include some organisms with many cells. Seaweed and kelp are examples of
this type of protist.
a. Algae
7. Algae are…
c. producers.
8. How do the organisms pictured at the top of pg. 32 get their energy?
b. They capture sunlight and convert it to usable energy.
Objective - Understand that microorganisms are found almost everywhere.
9. Through the process of photosynthesis, algae inhale ____________________ and
exhale _____________________. (There are two or more answers to this
question.)
a. carbon dioxide; d. oxygen
10. Phytoplankton produce most of the ________ we breathe.
d. oxygen
11. Protists that eat other organisms, or decaying part of other organisms, are called…
d. protozoans
12. A paramecium moves around using thousands of short, wavy strands called…
c. cilia.
13. This is one of the most significant human diseases and is caused by a protist.
b. Malaria
14. How do protozoa and algae differ in the way they obtain energy?
a. Protozoa eat other organisms to get energy and algae get energy from
the Sun.
15. Protists that break down organisms to obtain energy are…
d. decomposers
16. This protist lives on decaying plants on the forest floor.
d. Slime mold
17. How do fungus-like protists get their energy?
a. Break down dead organisms and absorb the food.
Objective - Understand that microorganisms are found almost everywhere.
Diversity of Living Things 1.4 – Worksheet – Scoring Guide
1. d
2. d
3. a,b,c
4. a (2 choices)
5. a (2 choices)
6. a
7. c
8. b (3 choices)
9. a,d
10. d
11. d
12. c (3 choices)
13. b
14. a
15. d
16. d
17. a
Scoring Guide
16-17 – 4
11-15 – 3
6-10 – 2
1-5 – 1
0–0