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ECOLOGY MCQs

Total Questions : 48 | Page 4 of 5 pages
Question 31. All the organisms in a particular location, including their nonliving environment
  1.    ecosystem
  2.    carnivore
  3.    niche
  4.    population
 Discuss Question
Answer: Option A. -> ecosystem
Question 32. Series of steps in which organisms transfer energy by eating and being eaten
  1.    foodweb
  2.    consumer
  3.    food chain
  4.    omnivore
 Discuss Question
Answer: Option C. -> food chain
Question 33. What does fungi do to dead plants and animals?
  1.    Leave them there
  2.    Decompose them
  3.    Wait for other animals to eat them
  4.    Move away
 Discuss Question
Answer: Option B. -> Decompose them
Question 34. As you move upward, from level to level, in an energy pyramid, energy _____
  1.    increases
  2.    decreases
  3.    stays the same
  4.    increases exponentially
 Discuss Question
Answer: Option B. -> decreases
Question 35. An illustration that uses arrows to show the MANY possible directions in which matter and energy can pass through the organisms in an ecosystem
  1.    Food chain
  2.    Food web
  3.    Energy Pyramid
  4.    Succession Map
 Discuss Question
Answer: Option B. -> Food web
Question 36. The amount of energy that usually transfers from one trophic level to the next
  1.    10%
  2.    20%
  3.    80%
  4.    50%
 Discuss Question
Answer: Option A. -> 10%
Question 37. Which one is not a consumer?
  1.    anemone 
  2.    bear
  3.    shark
  4.    vulture
 Discuss Question
Answer: Option D. -> vulture
Question 38. The living portions of the ecosystem
  1.    Biotic factors
  2.    Abiotic factors
 Discuss Question
Answer: Option A. -> Biotic factors
Question 39. Members of a species in a defined area
  1.    Ecosystem
  2.    community
  3.    biodiversity
  4.    population
 Discuss Question
Answer: Option D. -> population
Question 40. Consumer that eats plants
  1.    heterotroph
  2.    herbivore
  3.    producer
  4.    community
 Discuss Question
Answer: Option B. -> herbivore

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