Questão 1
Questão
According to Rapoport's rule:
Responda
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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
Questão 2
Questão
Most of the energy in an ecosystem:
Responda
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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
Questão 3
Questão
Which of the following diseases is most likely to increase in Europe because of global warming?
Responda
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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
Questão 4
Questão
which of the following situations is not an example of density-dependent mortality in response to some disease?
Responda
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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
Questão 5
Questão
Which of the following situations involves biological control?
Responda
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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
Questão 6
Questão
During periods of global cooling, you would expect insect species in Argentina to move _____ and _______.
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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
Questão 7
Questão
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.
Responda
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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
Questão 8
Questão
Which of the following is a requirement for a species diversity gradient?
Questão 9
Questão
The greenhouse gas responsible for the depletion of atmospheric ozone is:
Responda
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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
Questão 10
Questão
The amount of energy captured per unit area per unit time is a measure of the wheat's:
Questão 11
Questão
If two species were competing and one did not drive the other to extinction, we may assume that:
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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
Questão 12
Questão
As the number of species decreases on an island, the extinction rate ________ while the immigration rate __________.
Responda
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increases, decreases
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decreases, decreases
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increases, increases
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decreases, increases
Questão 13
Questão
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.
Responda
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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
Questão 14
Questão
Hunter-gatherer and agricultural societies tend to __________ diversity in culturally unimportant species relative to the scientific community.
Responda
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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
Questão 15
Questão
Which of the following pairs would be features of a nuclear winter?
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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
Questão 16
Questão
If the earth cooled a significant number of degrees, the biome we see throughout Tennessee would become a:
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coniferous forest
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grassland
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chaparral
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desert
Questão 17
Questão
Metabolic rates per gram of tissue are higher in __________ than in ________.
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lions, squirrels
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bears, cats
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mice, deer
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cows, rats
Questão 18
Questão
The climax species at Glacier Bay is the:
Questão 19
Questão
The plants of 64-million years old fossils found in Colorado are similar to plants found today in:
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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
Questão 20
Questão
The most productive ecosystem of those listed below is:
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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
Questão 21
Questão
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
Questão 22
Questão
According to World Conservation Union (IUCN), one of the following pairs of species is threatened with extinction. Which pair?
Questão 23
Questão
The term "reproductive effort" refers to:
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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
Questão 24
Questão
Acid rain contains:
Responda
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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