WLDM Test 2 section 1

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Author:
alyssau12
ID:
269833
Filename:
WLDM Test 2 section 1
Updated:
2014-04-08 19:28:52
Tags:
WLDM
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Description:
TEST 2
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  1. What is the maximum number of animals in a population that the habitat can support?
    • carrying capacity
    • 'k'
  2. a factor that causes higher mortality or reduced birth rates as the population becomes more dense:
    density-dependent factor
  3. What are some density-dependent factors?
    • competition for resources
    • predation
    • parasites/disease
    • territorial behavior
  4. What resources can animals compete for?
    • food supply
    • cover
    • water
    • space
  5. growth rate that is not affected by the number of individuals in a population:
    density-independent
  6. What are some density-independent factors?
    • climate
    • weather
    • fires
    • hurricanes
    • (anything that doesn't depend on population)
  7. What are the types of mortality factors?
    • additive
    • compensatory
  8. What is additive mortality?
    combined number of animals that can be added together to give a total of animals suspected to die
  9. What is compensatory mortality?
    mortality that offsets or counterbalances dying animals
  10. What kill and eat other animals?
    predators
  11. What eat already dead things?
    scavengers or detritivores
  12. What are Leopald's 5 types of predation?
    • chance (random)
    • habitat (particular type)
    • sucker list (don't know how to hide/avoid predators)
    • starvation (not provided necessary cover or forage)
    • sanitary (weak,old or injured)
  13. What is another way to classify predators?
    • carnivory (kill & eat animals)
    • herbivory (eat plants)
    • cannibalism (eat own species)
    • parasitism (feeds on another animal without killing it)

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