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College Ecology Questions

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College Communities, Populations, and Ecosystems
Which of these can be the result of variations among local populations in biotic interactions?
  1. political divergence
  2. phenotypic divergence
  3. adaptive radiation
  4. genotypic divergence
College Food Chains and Webs
Organisms are classified into groups based on                            .
  1. Photosynthetic process
  2. Foods each organism consume
  3. Energy used
  4. Brain size
College Conservation and Biodiversity
Extinction is the term used when all members of species                                            .
  1. disappear in a locality
  2. die
  3. live in zoos
  4. are threatened with imminent habitat loss
  5. are in danger of disappearing in a locality
College Communities, Populations, and Ecosystems
What is the biggest use of water in the US?
  1. Industrial
  2. Irrigation
  3. Mining
  4. Domestic
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
College Conservation and Biodiversity
"Abundance" describes the total number or a proposition of                                                                     while "diversity" describes the number of                                                                    .
  1. species in a community; individual organisms in a community
  2. organisms in a community; different types of species in a community
  3. individuals in a niche; niches available to a given species
  4. species in a bioregion; trophic levels in a community
  5. biomes; habitats available for different species
College Communities, Populations, and Ecosystems
Which is not a property of populations?
  1. Distribution
  2. Size
  3. Mutation
  4. Range
College Communities, Populations, and Ecosystems
A model of a freshwater stream ecosystem might be expected to contain which of the following elements?
  1. abiotic inputs
  2. carbon dioxide output
  3. a box labeled "predators"
  4. biotic inputs from the watershed
  5. none of these
  6. all of a through d
College Communities, Populations, and Ecosystems
Contemporary ecologists usually take which of the following into consideration when studying the function of an ecosystem or community?
  1. man-made influence
  2. abiotic factors
  3. biotic interactions
  4. b and c only
  5. all a through c
College Food Chains and Webs
Animal waste can be processed in an environment where microbes breakdown micro organisms. what is the name of the process?
  1. acidic digestion
  2. aerobic digestion
  3. anaerobic digestion
  4. micro digestion
College Communities, Populations, and Ecosystems
               is the number of reproductive females in a population.
  1. Fecundity
  2. Fertility
  3. Mortality
  4. Sex ratio
College Communities, Populations, and Ecosystems
What is the correct formula for measuring Rate of population growth?
  1. (b+d)-(i+e)
  2. (b-d)-(i-e)
  3. (b-d)+(i+e)
  4. (b-d)+(i-e)
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 Communities, Populations, and Ecosystems
               is the study of populations and species.
  1. Ecology
  2. Ethology
  3. Etology
  4. Epology
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