Diversity of Living Things 1.4 Worksheet

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. Archaec. Fungi

b. Bacteriad. Protists

2. This scientist discovered protists.

a. Robert Hookec. Louis Pasteur

b. Edward Jennerd. 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.c. plant kingdom.

b. fungi kingdom.d. moneran kingdom.

4. Protists may be considered a collection of leftover organisms.

a. Trueb. False

5. Most protists live in water.

a. Trueb. False

6. Protists include some organisms with many cells. Seaweed and kelp are examples of this type of protist.

a. Algaec. Fungi

b. Bacteriad. Protozoan

7. Algae are…

a. consumers.c. producers.

b. decomposers.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.

9. Through the process of photosynthesis, algae inhale ______and exhale ______. (There are two or more answers to this question.)

a. carbon dioxidec. nitrogen

b. carbon monoxided. oxygen

10. Phytoplankton produce most of the ______we breathe.

a. carbon dioxidec. nitrogen

b. carbon monoxided. oxygen

11. Protists that eat other organisms, or decaying part of other organisms, are called…

a. algae.c. fungi.

b. bacteriad. protozoans.

12. A paramecium moves around using thousands of short, wavy strands called…

a. pseupods.c. cilia.

b. flagella.

13. This is one of the most significant human diseasesand is caused by a protist.

a. Giardiasisc. Plague

b. Malariad. 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.c. producers.

b. parasites.d. decomposers.

16. This protist lives on decaying plants on the forest floor.

a. Amoebac. Paramecium

b. Euglenad. Slime mold

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.

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.

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.

Diversity of Living Things 1.4 – Worksheet – Scoring Guide