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Quiz von Shamiran C Prater, aktualisiert more than 1 year ago
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Erstellt von Shamiran C Prater
vor fast 6 Jahre
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Frage 1
Frage
According to Rapoport's rule:
Antworten
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species in the tropics have higher productivity than those elsewhere
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species in temperate areas have smaller ranges than those in the tropics
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species in the tropics are more specialized than those elsewhere
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there is more competition among tropical species than temperate species
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none of the above
Frage 2
Frage
Most of the energy in an ecosystem:
Antworten
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goes into the ground as organic matter
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is passed on to the next trophic level
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ends up as new growth
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is lost as respiratory heat
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none of the above
Frage 3
Frage
Which of the following diseases is most likely to increase in Europe because of global warming?
Antworten
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polio
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tuberculosis
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AIDS
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malaria
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smallpox
Frage 4
Frage
which of the following situations is not an example of density-dependent mortality in response to some disease?
Antworten
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4000 individuals and 200 died; 6000 individuals and 300 died
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6000 individuals and 100 died; 3000 individuals and 100 died
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7000 individuals and 1000 died; 2000 individuals and 200 died
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1000 individuals and 400 died; 2000 individuals and 400 died
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all are examples of density
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dependent mortality
Frage 5
Frage
Which of the following situations involves biological control?
Antworten
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dingos killing kangaroos in Australia
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the bubonic plague killing hundreds of thousands of Europeans in 1348
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/Cactoblastis/ control of /Opuntia/ in Australia
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Ranchers killing invasive rabbits in Australia
Frage 6
Frage
During periods of global cooling, you would expect insect species in Argentina to move _____ and _______.
Antworten
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southward, lower elevations
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northward, higher elevations
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northward, lower elevations
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southward, higher elevations
Frage 7
Frage
The level of cesium 137 in the herbivores of an ecosystem is 0.03 ppm. The cesium 137 level in carnivores is 30 ppm. The level of cesium 137 in carnivores is _________ times greater than in herbivores.
Antworten
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10
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100
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1,000
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10,000
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100,000
Frage 8
Frage
Which of the following is a requirement for a species diversity gradient?
Antworten
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tropical climate
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low precipitation
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change in longtitude
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change in the environment in space
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none of the above
Frage 9
Frage
The greenhouse gas responsible for the depletion of atmospheric ozone is:
Antworten
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carbonic acid
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carbon dioxide
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methane
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nitrous oxide
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chlorofluorocarbon
Frage 10
Frage
The amount of energy captured per unit area per unit time is a measure of the wheat's:
Antworten
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gross primary productivity
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net primary productivity
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cellular respiration
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ecological efficiency
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rate of respiration
Frage 11
Frage
If two species were competing and one did not drive the other to extinction, we may assume that:
Antworten
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the species were competing for the same resources
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the K value for each species would be less than if the species were growing alone
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the fundamental niches of both species contracted
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the realized niches of both species expand to compensate for the presence of the other
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none of the above
Frage 12
Frage
As the number of species decreases on an island, the extinction rate ________ while the immigration rate __________.
Antworten
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increases, decreases
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decreases, decreases
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increases, increases
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decreases, increases
Frage 13
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When we check out eggshell thickness in many European bird species, we will see a that a marked decline began in _________ due to DDT use.
Antworten
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the late 1920s
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the late 1930s
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the late 1940s
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the mid 1950s
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the early 1980s
Frage 14
Frage
Hunter-gatherer and agricultural societies tend to __________ diversity in culturally unimportant species relative to the scientific community.
Antworten
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underdifferentiate
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hypodifferentiate
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overdifferentiate
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mesodifferentiate
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hyperdifferentiate
Frage 15
Frage
Which of the following pairs would be features of a nuclear winter?
Antworten
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acid rain, increase in temperature
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reduced light, reduced levels of soil nutrients
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reduced light, reduced temperature
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reduced oxygen levels in atmosphere, increased nitrogen levels in the atmosphere
Frage 16
Frage
If the earth cooled a significant number of degrees, the biome we see throughout Tennessee would become a:
Antworten
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coniferous forest
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grassland
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chaparral
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desert
Frage 17
Frage
Metabolic rates per gram of tissue are higher in __________ than in ________.
Antworten
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lions, squirrels
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bears, cats
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mice, deer
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cows, rats
Frage 18
Frage
The climax species at Glacier Bay is the:
Antworten
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beech
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maple
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spruce
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pine
Frage 19
Frage
The plants of 64-million years old fossils found in Colorado are similar to plants found today in:
Antworten
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Pennsylvania
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Indonesia
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Iraq
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Japan
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Argentina
Frage 20
Frage
The most productive ecosystem of those listed below is:
Antworten
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temperate forest
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swamps and estuaries
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temperate grassland
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ocean
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coniferous forest
Frage 21
Frage
Based on the number of species already described and additional information, there are likely to be between _________ million species of all kinds on the face of the earth today
Antworten
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1-2
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3-4
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5-10
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20-25
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30-40
Frage 22
Frage
According to World Conservation Union (IUCN), one of the following pairs of species is threatened with extinction. Which pair?
Antworten
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orangutans and gorillas
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chimpanzees and lemurs
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polar bears and brown bears
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lions and tigers
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none of the above
Frage 23
Frage
The term "reproductive effort" refers to:
Antworten
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the percentage of energy capture by photosynthesis that is allocated to growth
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the number of calories it takes for plants to produce flowers, fruits, and seeds
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the proportion of the respiratory heat that does into reproduction
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the ratio of reproductive productivity to the gross productivity
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none of the above
Frage 24
Frage
Acid rain contains:
Antworten
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hydrochloric and nitric acids
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sulfuric and lactic acids
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acetic and boric acids
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nitric and sulfuric acids
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none of the above
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