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Concepts of Biology

Review Questions

Concepts of BiologyReview Questions
3.

Decomposers are associated with which class of food web?

  1. grazing
  2. detrital
  3. inverted
  4. aquatic
4.

The producer in an ocean grazing food web is usually a ________.

  1. plant
  2. animal
  3. fungi
  4. plankton
5.

Which term describes the process whereby toxic substances increase along trophic levels of an ecosystem?

  1. biomassification
  2. biomagnification
  3. bioentropy
  4. heterotrophy
6.

The majority of the water found on Earth is:

  1. ice
  2. water vapor
  3. fresh water
  4. salt water
7.

The process whereby oxygen is depleted by the growth of microorganisms due to excess nutrients in aquatic systems is called ________.

  1. dead zoning
  2. eutrophication
  3. retrophication
  4. depletion
8.

Which of the following biomes is characterized by abundant water resources?

  1. deserts
  2. boreal forests
  3. savanna
  4. tropical wet forests
9.

Which of the following biomes is characterized by short growing seasons?

  1. deserts
  2. tropical wet forests
  3. Arctic tundra
  4. savanna
10.

Why is the tundra treeless?

  1. lack of sufficient water
  2. permanently frozen ground
  3. winters too harsh
  4. too many fires
11.

Where would you expect to find the most photosynthesis in an ocean biome?

  1. aphotic zone
  2. abyssal zone
  3. benthic realm
  4. intertidal zone
12.

A key feature of estuaries is

  1. low light conditions and high productivity
  2. salt water and fresh water
  3. frequent algal blooms
  4. little or no vegetation
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