Ch 2 Test-Interaction of living things

1. An organisms that breaks down dead and decaying matter

A) decomposer
B) omnivore
C) herbivore
D) predator

2. An animal that eats only plants for food

A) herbivore
B) vegivore
C) carnivore
D) omnivore

3. An animal that eats both plants and animals

A) hungry
B) decomposer
C) carnivore
D) omnivore

4. An organism that eats only meat for food

A) herbivore
B) omnivore
C) producer
D) carnivore

5. Many food chains that are linked together are called a ________________.

A) food circles
B) food link
C) food string
D) food web

6. Which of the following is a producer?

A) fish
B) spider
C) cricket
D) plant

7. An example of an omnivore would be a ___________________.

A) praying mantis
B) cat
C) bear
D) wolf

8. The animal that is hunted by its predator

A) predator
B) consumer
C) producer
D) prey

9. An example of an herbivore would be a ______________.

A) rabbit
B) worm
C) spider
D) lion

10. An example of a decomposer would be a ____________________.

A) a bird
B) a person
C) a tree
D) worm

11. The living parts in an ecosystem are called

A) abiotic factors
B) biotic factors
C) fossils
D) ecology

12. The direction an arrow faces in a food chain points to who is ___________________.

A) doing the eating
B) getting eaten
C) eats meat
D) eats plants

13. The nonliving parts in an ecosystem are called

A) biotic factors
B) producers
C) abiotic factors
D) ecology

14. Carnivore that hunts for its food

A) producer
B) predator
C) consumer
D) prey

15. Organisms that make their own food for energy are called

A) consumers
B) carnivores
C) producers
D) herbivores

16. Organisms that cannot make their own food and get energy from other organisms are called

A) consumers
B) vegivores
C) plants
D) producers

17. The straight path in which energy is passed from the sun, to producer, to consumers is called a

A) food line
B) food highway
C) food web
D) food chain

18. The living and nonliving factors in an environment and all their interactions

A) ecology
B) ecosystem
C) food web
D) community

19. An important abiotic factor that means the typical weather pattern in an environment

A) climate
B) weather
C) heat
D) temperature

20. All the members of a species that live in an ecosystem

A) species
B) kingdom
C) population
D) community

21. All of the populations in an ecosystem

A) habitat
B) population
C) community
D) kingdom

22. The home of an organism within an ecosystem

A) house
B) community
C) pond
D) habitat

23. Which type of organisms are best able to recycle nutrients back into the ecosystem?

A) predators
B) scavengers
C) decomposers
D) producers

24. Producers are found at the bottom of the pyramid because producers

A) have fewer species than consumers
B) depend on consumers
C) have less mass than consumers
D) provide energy for consumers

25. Which statement describes the role of bacteria and fungi?

A) They hold soil in place during high winds
B) They grow within cracks of rocks, breaking the rock into small pieces
C) The decompose organic matter in the soil
D) They increase water access and flow and help aerate the soil

26. What would happen if the frogs were suddenly removed from this food chain? clover-grasshopper-frog-snake-owl

A) The grasshopper population would increase
B) The owl population would increase
C) The clover population would be unaffected
D) The snake population would begin feeding on grasshoppers

27. How do producers get energy?

A) eating other animals
B) eating plants and seeds
C) breaking down organisms through decay
D) using the sun to make food

28. In one area, a large source of prey for eagles is rabbits. If the number of rabbits suddenly decreases, what effect will it most likely have on the eagles?

A) They will adapt new behaviors
B) Their numbers will increase
C) Their numbers will decrease

29. Which of the following is a first level, or primary consumer?

A) acorn tree
B) coyote
C) fox
D) squirrel

30. Which organisms make energy available to all other organisms in a food chain?

A) scavengers
B) producers
C) decomposers
D) consumers

31. Populations, community, biosphere, organism, and ecosystem are all terms that are related to the environment. Choose the set that has the terms arranged in order from simplest to most complex

A) organism, population, community, biosphere, ecosystem
B) organism, community, population, ecosystem, biosphere
C) organism, population, community, ecosystem, biosphere
D) biosphere, ecosystem, community, population, organism

32. Which of the following correctly describes the transfer of energy in an ecosystem

A) Energy is transferred from producers to the sun
B) Energy is transferred from consumers to producers
C) Energy is transferred from producers to consumers
D) Energy is transferred from the sun to decomposers

33. Nature's recyclers are

A) omnivores
B) predators
C) decomposers
D) producers

34. Which of the following is the correct classification of the organisms in the food web

A) zebra-consumer;hyena-consumer;beetle-consumer
B) zebra-consumer; hyena-consumer; beetle-decomposer
C) zebra-producer;hyena-producer; beetle-decomposer
D) zebra-producer; hyena - producer; beetle-consumer

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