Biology 150 - Chapter 13 LEARN Quiz

Beschreibung

Biology 150 (Organismal and Evolutionary Ecology), Chapter 13 (Biodiversity and Conservation Biology) LEARN Quiz
Laurel McLaughlin
Quiz von Laurel McLaughlin, aktualisiert more than 1 year ago
Laurel McLaughlin
Erstellt von Laurel McLaughlin vor fast 10 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
If individuals in the last remaining population of a particular bird species were all highly related, which type of diversity would be of greatest concern when planning to keep the species from going extinct?
Antworten
  • species diversity
  • genetic diversity
  • ecosystem diversity
  • taxonomic diversity

Frage 2

Frage
Why is the extinction of the Yangtze River dolphin considered particularly significant?
Antworten
  • it was a keystone species
  • it was from a species-poor lineage
  • there was high genetic diversity within the species
  • it was a keystone prey species

Frage 3

Frage
You discover a new species at University of Waterloo, and it is only found on campus. This new species is best described as:
Antworten
  • endangered
  • vulnerable
  • endemic
  • sensitive

Frage 4

Frage
Which of the following is likely NOT a major threat to the unique species pairs of stickleback in British Columbia? (Select all that apply)
Antworten
  • land development and habitat degradation
  • introduction of alien species
  • overexploitation
  • deterioration of water quality

Frage 5

Frage
Why are smaller, fragmented habitats often of lesser quality than contiguous habitats?
Antworten
  • fragmentation often leads to detrimental edge effects
  • fragmentation reduces species' ability to move between habitat patches
  • smaller habitats often do not contain the necessary resources for large animals
  • all of the above

Frage 6

Frage
Why are smaller, isolated populations more likely to be extirpated?
Antworten
  • they are more likely to be exterminated by severe stochastic events
  • they are subject to inbreeding depression and genetic drift
  • they are more likely to be subject to fitness trade-offs
  • both A and B

Frage 7

Frage
What is the leading cause of endangerment for marine species?
Antworten
  • pollution
  • invasive species
  • overexploitation
  • habitat loss

Frage 8

Frage
Habitat loss is the leading cause of endangerment for terrestrial species.
Antworten
  • True
  • False

Frage 9

Frage
Most endangered species are currently found on islands.
Antworten
  • True
  • False

Frage 10

Frage
Experimental evidence from Brazil indicates that fragmenting tropical wet forests results in:
Antworten
  • an eventual recovery of biodiversity and biomass
  • a decrease in biodiversity, and a decrease in biomass
  • an increase in biodiversity, and a decrease in biomass
  • a decrease in biodiversity, and an increase in biomass
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