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Homework answers / question archive / Irvine Valley College BIO 1 Quiz 2: Community ecology and energetics 1)A stage in ecological succession is called a Step Trophic level Sere Link   Succession on disturbed habitat is referred to as Primary Secondary Tertiary Quarternary   Approximately              % of the light striking the earth is captured by photosynthetic organisms

Irvine Valley College BIO 1 Quiz 2: Community ecology and energetics 1)A stage in ecological succession is called a Step Trophic level Sere Link   Succession on disturbed habitat is referred to as Primary Secondary Tertiary Quarternary   Approximately              % of the light striking the earth is captured by photosynthetic organisms

Biology

Irvine Valley College

BIO 1

Quiz 2:

Community ecology and energetics

1)A stage in ecological succession is called a

      1. Step
      2. Trophic level
      3. Sere
      4. Link

 

    1. Succession on disturbed habitat is referred to as
      1. Primary
      2. Secondary
      3. Tertiary
      4. Quarternary

 

    1. Approximately              % of the light striking the earth is captured by photosynthetic organisms.
      1. 1%
      2. 5%

C. 10%

D. 90%

 

    1. Unlike energy, nutrients are recycled in the biosphere
      1. True
      2. False

 

    1. The reason why the trophic pyramid is limited to 4 or 5 steps is due to the 2nd Law of Thermodynamics.
      1. True
      2. False

 

    1. The third step (from the bottom) of the trophic pyramid is occupied by the
      1. Primary consumers
      2. Producers
      3. The top predator
      4. Secondary consumers

 

    1. An organism that eats dead organic material is called a(n)
      1. primary consumer
      2. herbivore
      3. secondary consumer
      4. detritovore

 

    1. Which is not true about nutrient cycles?
      1. The are all solar powered
      2. The atmosphere is the primary exchange pool

 

      1. They maintain a state of equilibrium (unless disrupted by man)
      2. The rely on the recycling of nutrients

 

    1. Which of the following is correct?
      1. NPP – RS = GPP
      2. NPP – GPP = RS
      3. GPP – RS = NPP
      4. GOP + NRA= LGM

 

    1. Where would you go to see the ‘exchange pool’?
  2. In the Earth’s crust
  3. In the atmosphere
  4. In the ocean
  5. Both B and C

 

    1. Which form of interspecific interaction would be scored as -/-?
  2. Predation
  3. Parasitoidism
  4. Competition
  5. Commensalism

 

    1. Which form of interspecific interaction would conflict most with the interactive model of communities?
  2. Predation
  3. Neutralism
  4. Amensalism
  5. Mutualism

 

    1. Which evolutionary event explains variation in beak size of finches on the Galapagos Islands?
  2. Niche partitioning
  3. Character displacement
  4. Competitive exclusion
  5. None of the above

 

    1. Which event or topic is not typically associated with a predator/prey relationship?
  2. Camouflage
  3. Aposematic coloration
  4. Mimicry
  5. They are all associated with predatory/prey relationships

 

 

 

 

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