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Organisms

Total questions: 15

Worksheet time: 17mins

Name
Class
Date
1.
  1. Which of the following is a decomposer?
a)

Cactus

b)

Algae

c)

Mushrooms

d)

Hawks

2.

2. What does a producer do?

a)

It makes its own food from sunlight, nutrients, and carbon dioxide

b)

It provides energy to a primary consumer

c)

It releases oxygen to the air

d)

All of the above

3.

3. What organism provides nutrients to the soil?

a)

Decomposers

b)

Consumers

c)

Producers

d)

All of the above

4.

4. Which of the following is true?

a)

Plants take in oxygen and release carbon dioxide

b)

Producers take in carbon dixoide and release oxygen

c)

Consumers release oxygen and take in carbon dioxide

5.

5. Which is true?

a)

All producers are herbivores

b)

Herbivores only eat animals

c)

All primary consumers are herbivores

d)

All decomposers are herbivores

6.

6. Which of these is a producer

a)

Worms

b)

Cats

c)

Algae

d)

Bunnys

7.

7. What would happen if all trees were removed from an ecosystem?

a)

There would be to much oxygen

b)

There would not be enough carbon dioxide

c)

There would be to much carbon dioxide

d)

The squirrels would take over the world

8.

8. What would happen if the producers were removed from the ecosystem?

a)

Only the caterpillars would be effected

b)

All animals would be effected

c)

Only producers would be effected

9.

9. What would happen if there was an increase in crickets?

a)

The population of frogs would decrease

b)

The population of plants would decrease

c)

The population of snakes would decrease

d)

Nothing

10.

10. Which of these is a negative of humans building new houses...

a)

Animals will reproduce

b)

Animals will lose their habitats

c)

Animals will get food from the people and survive longer

d)

Animals will kick the people out and live in their houses

11.

11. Which of these is a negative of hydroelectric dams?

a)

Fish that swim upstream will not be able to get passed the dam

b)

It is safer than using fossil fuels

c)

The plants will have more water to grow

d)

The energy it creates can power 1000s of homes

12.

12. Which two organisms compete for food?

a)

Frog and snail

b)

Water beetle and Snail

c)

Small fish and frog

d)

Small fish and tadpole

13.

13. Why do people put plants in fish tanks?

a)

So the fish can have a pretty home

b)

So the fish can get oxygen from the plant

c)

So the fish can give oxygen to the plant

d)

So the plant can give carbon dioxide to the fish

14.

14. What do decomposers do?

a)

Give energy to the producers

b)

Give energy to the consumers

c)

Break down dead organisms into nutrients

d)

Provide energy to the sun

15.

15. If a dragon attacked Padron, who would most likely slay the dragon?

a)

Ms. Vega

b)

Ms. Ramos

c)

Mr. Gamoba

d)

Ms. Martinez