Food Webs & Chains - Skyndipróf

1. What is a food chain?

A) A pathway that follows food as it grows from a seed to a large plant.
B) A pathway indicating the flow of food energy in an ecosystem.
C) A string of food connected with tiny links of chain
D) A pathway showing what animals are always bigger than the others

2. Why does a food chain begin with plants?

A) Because they produce food from light energy not from other animals.
B) Because they are soft and easy for animals to eat
C) Because there is no lower form of life in the food chain.
D) Because plants eat dirt for a living

3. The last component of the food chain is a:

A) Heterotroph.
B) Decomposer.
C) Predator.
D) Consumer

4. The further along the food chain you go, the less food (or energy) remains available for consumers.

A) False
B) True

5. The different levels in a food chain are called trophic levels.

A) False
B) True

6. What is the driving source that starts the food chain?

A) Water.
B) Good soil.
C) Fire.
D) The sun.

7. How does a plant get input or food from the decomposers?

A) They draw fertilizer from the soil.
B) They don't, it's all about the sun's energy.
C) Decomposers break down organic compounds into simple nutrients.
D) The decomposers build complex proteins and amino acids that are eaten by primary consumers.

8. Which of the following is not a consumer in the food chain?

A) Heterotrophs.
B) Autotrophs.
C) Scavengers.
D) Quaternaries.

9. Why must the second organism in a food chain be a herbivore?

A) It only eats plants.
B) Not true, they can be carnivores.
C) Cows do not like hamburgers.
D) The energy needs of decomposers is different.

10. What animal is a scavenger?

A) Hawk.
B) Vulture.
C) Owl.
D) Eagle.

11. What is a food web?

A) Like a spider web, it's where food is caught by other animals.
B) A way to connect biomes and weather patterns.
C) A web of foods that taste good together.
D) A map of food chains that are somehow connected.

12. Which of the following are decomposers?

A) Ants, mice and fungi.
B) Hot temperatures and lots of moisture.
C) Vultures, mice and snakes.
D) Mushrooms, algae, and some bacteria

13. Which food chain correctly describes the flow of energy in an ecosystem?

A) Grass - Mouse - Algae
B) Grass - Cow - Human
C) Grass - Mouse - Cow
D) Grass - Cow - Owl

14. Rabbits eat grass and other plants to survive. What kind of animal are they?

A) Scavengers.
B) Omnivores.
C) Herbivores.
D) Carnivores.

15. This animal eats both plants and animals.

A) Omnivores.
B) Herbivores.
C) Carnivores.
D) Predators.

16. This animal finds already dead animals to eat.

A) Omnivores.
B) Predators.
C) Scavengers.
D) Autotrophs.

17. This animal eats both herbivores and carnivores.

A) Carnivores.
B) Herbivores.
C) Producers.
D) Omnivores.

18. These organisms break down the remains of dead organisms and their wastes.

A) Carnivores.
B) Omnivores.
C) Producers.
D) Decomposers.

19. Green plants get food by:

A) Using sunlight to make their own food.
B) Absorbing water and CO2 through its root system.
C) Eating insects and other producers.
D) Going dormant during hot weather.

20. All living things get everything that they need to eat from:

A) Water.
B) Producers.
C) Their parents.
D) Their habitat.

21. All of the different kinds of animals that live together in the same place make up a:

A) Ecosystem.
B) Biome.
C) Neighbors.
D) Community.

22. Living things that cannot make their own food are called:

A) Producers.
B) Heterotrophs
C) Very hungary.
D) Autotrophs.

23. A bear that ate a fish that ate bugs that ate algae is a:

A) Primary producer.
B) Secondary consumer.
C) Tertiary consumer.
D) Primary consumer.

24. If a person eats a vegetable, that person is acting as a:

A) Tertiary consumer.
B) Primary producer.
C) Secondary consumer.
D) Primary consumer.

25. If a person eats a steak, from a cow, the person is acting as a:

A) Tertiary consumer.
B) Primary producer.
C) Secondary consumer.
D) Primary consumer.

Nemendur sem tóku þetta próf tóku einnig :

Cell quiz (animal vs. plant cells)
Astronomy - eclipses and tides
Eight planets review-classwork

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