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College Ecology Questions

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College Biomes
The biosphere is                                                                                      .
  1. the layer where are all living organisms are found
  2. the gaseous layer that surrounds the earth
  3. the study of the patterns and relationships found in the biotic or living environment
  4. the interrelationships found in the living environment
College Biomes
Examples of lower latitude biomes are                               .
  1. tundra and boreal forest
  2. temperate and deciduous forest
  3. tropical rainforests
  4. none of these
  5. all of these
College Biomes
The biosphere is                                                                    .
  1. approximately 9.5 miles
  2. from the tops of the Himalayas to the bottom of the Marianas Trench
  3. no thicker than the skin of an apple, relatively speaking
  4. all of these
  5. only a and c
College Biomes
Which the following are the most important factors for determining vegetation?
  1. elevation
  2. albedo and tilt
  3. precipitation and temperature
  4. all of these
  5. none of these
College Biomes
College Biomes
Temperate grasslands are unique because                                                     .
  1. of their seasonality
  2. the majority of their biomass is beneath the surface
  3. the majority of their biomass is above the surface
  4. they are influenced by Hadley cell circulation
College Biomes
Savannas are unique because                                             .
  1. they have two coexistent types of vegetation
  2. they experience Hadley cell circulation
  3. are characterized by their seasonality
  4. none of these
  5. all of these
College Ecology
What Contributes to Evolution ?
  1. Nature
  2. Nurture
  3. Neither A or B
  4. Both A and B
College Food Chains and Webs
A species that is a generalist is going to have a better chance at survival because                                .
  1. its range of tolerance is low
  2. its range of tolerance is high
  3. it has a specified niche
  4. it can survive all disturbances
College Food Chains and Webs
Which is an example of a generalist species?
  1. a panda bear
  2. a raccoon
  3. a beaver
  4. a koala
College Conservation and Biodiversity
Which is NOT an endemic species?
  1. feral cats on Catalina Island
  2. panda bears
  3. a dragonfly found only at a single lake
  4. a plant that lives only in the Mojave desert
College Biomes
What climate region can xerophytic be found?
  1. humid sub-continental
  2. deserts and semi-deserts
  3. west coast climate zone
  4. mediterranean
  5. all of the above
College Symbiosis
Which of the following is not a type of symbiosis?
  1. Gradualism
  2. Commensalism
  3. Mutualism
  4. Parasitism
College Succession
Which of the following best illustrates ecological succession?
  1. A mouse eats seeds, and an owl eats the mouse.
  2. Grass grows on a sand dune, is replaced by shrubs, and then by trees.
  3. Decomposition in soil releases nitrogen that plants can use.
  4. Overgrazing causes a nutrient loss from soil.
  5. Introduced pheasants increase, and native quail populations disappear.
College Conservation and Biodiversity
We are usually referring to species diversity when we talk about biodiversity. However, genetic diversity is also important to ecological systems because diverse genes                                                                                   .
  1. increase the efficiency and productivity of a system because all niches are filled
  2. allow an individual organism to adapt to its changing environment
  3. are necessary for a population to evolve in a changing environment
  4. lead to diverse ecological processes in a biological community
  5. are important for a balanced ecosystem
College Communities, Populations, and Ecosystems
Which of the following tend to increase the rate of diffusion?
  1. Highter temperatures
  2. obstruction
  3. greater concentration differ
  4. volecity
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