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College Ecology Questions

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College Communities, Populations, and Ecosystems
What is the measure of fitness?
  1. how long a species lives
  2. survival under adverse conditions
  3. number of fertile offspring produced
  4. strength in a predator
  5. fleetness in prey
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 Conservation and Biodiversity
Which is not a part of Integrated Pest Management (IPM)?
  1. learning the biology of organisms and their natural pests
  2. understanding trophic relationships of organisms
  3. birth, death, immigration, and emigration rates
  4. genetically modified foods to produce faster yield
  5. density and distribution
College Biomes
Movement of water in many directions is called                   .
  1. Laminar flow
  2. Brownian movement
  3. Turbulent flow
  4. molecular movement
College Communities, Populations, and Ecosystems
Many factors act to regulate the growth of populations in nature.
  1. True
  2. False
College Communities, Populations, and Ecosystems
Define ecosystem service.
College Conservation and Biodiversity
With respect to the health of the environment, which one of the following would be an advantage of using antifouling agents?
  1. Less fossil fuel use resulting from less drag and more efficient transit of ships through water
  2. Fewer dolphins contributing to a decline in biodiversity
  3. Less biomagnification up the food chain
  4. Fewer fish in reefs that form on oil rigs in the Gulf of Mexico
College Food Chains and Webs
Which of the following is not a stage of decomposition?
  1. humus production
  2. leaching
  3. detritus formation
  4. mineralization
  5. actually all of a through d are stages of decomposition
College Conservation and Biodiversity
Species richness in the number of species in an area or sample.
  1. True
  2. False
College Conservation and Biodiversity
Which of the following is a benefit from aquaculture?
  1. uses fewer fossil fuels, is safer, and produces more fish than commercial fishing
  2. fish meal to feed farm raised aquatic organisms is made from wild ocean fish
  3. uses grain, which affects food supplies for people and animals
  4. escaped fish introduce disease or outcompete wild fish
  5. lots of waste produced
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