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1756579
Biology 150 - Chapter 13 LEARN Quiz
Descripción
Biology 150 (Organismal and Evolutionary Ecology), Chapter 13 (Biodiversity and Conservation Biology) LEARN Quiz
Sin etiquetas
biology
ecology
biology 150
final exam review
university
Test por
Laurel McLaughlin
, actualizado hace más de 1 año
Más
Menos
Creado por
Laurel McLaughlin
hace más de 9 años
44
1
0
Resumen del Recurso
Pregunta 1
Pregunta
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?
Image:
related-birds (image/jpg)
Respuesta
species diversity
genetic diversity
ecosystem diversity
taxonomic diversity
Pregunta 2
Pregunta
Why is the extinction of the Yangtze River dolphin considered particularly significant?
Image:
yangtze-river-dolphin (image/jpg)
Respuesta
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
Pregunta 3
Pregunta
You discover a new species at University of Waterloo, and it is only found on campus. This new species is best described as:
Respuesta
endangered
vulnerable
endemic
sensitive
Pregunta 4
Pregunta
Which of the following is likely NOT a major threat to the unique species pairs of stickleback in British Columbia? (Select all that apply)
Image:
stickleback-fish (image/jpg)
Respuesta
land development and habitat degradation
introduction of alien species
overexploitation
deterioration of water quality
Pregunta 5
Pregunta
Why are smaller, fragmented habitats often of lesser quality than contiguous habitats?
Respuesta
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
Pregunta 6
Pregunta
Why are smaller, isolated populations more likely to be extirpated?
Respuesta
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
Pregunta 7
Pregunta
What is the leading cause of endangerment for marine species?
Respuesta
pollution
invasive species
overexploitation
habitat loss
Pregunta 8
Pregunta
Habitat loss is the leading cause of endangerment for terrestrial species.
Respuesta
True
False
Pregunta 9
Pregunta
Most endangered species are currently found on islands.
Respuesta
True
False
Pregunta 10
Pregunta
Experimental evidence from Brazil indicates that fragmenting tropical wet forests results in:
Image:
tropical-wet-forest (image/jpg)
Respuesta
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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