Unit 10 Exam Review Quiz
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Unit 10 Exam Review Quiz
Grade:«grade»
Subject:Aquatic Science
Date:«date»
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1 A species, such as the emperor penguin, that is not likely to decline to an endangered level, even without any regulatory protections, is categorized as:
A Vulnerable
B Least Concerned
C Near Threatened
D Conservation Dependent
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2 Which of the following magnifies all the other effects of other factors causing species decline/extinction:
A habitat loss
B human population growth
C pollution of the air and water
D introduction of invasive species
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3 When considering national wastefulness & export, which of the following is FALSE:
A Wealthy countries tend to be more wasteful than poorer countries
B The fishing industries of wealthy countries are prosperous and decreasing fish prices globally
C Large tracts of land in poorer countries are cleared for exports to wealthy countries
D Over-exploitation can cause habitat destruction and cause species extinction
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4 The disappearance of a particular population within an area, but not globally defines:
A extinction
B critically endangered
C habitat loss
D extirpation
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5 Which of the following is a reason for the high amount of biodiversity found near the equator:
A a variety of temperatures allowing for many different niches
B a consistent topography allowing for many mountain-dwelling niches near fresh water lakes
C a consistent daily amount of light to feed the base of the food chain
D a consistent low temperature due to the specific heat of salt water
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6 The average rate of extinction that would be considered background extinction is _______ species going extinct every 500 to 1,000 years.
A 1
B 10
C 100
D 1,000
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7 Which of the following works to increase the overall population size:
A deaths and immigration
B immigration and emmigration
C emmigration and births
D births and immigration
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8 All of the following are reasons why scientists are unsure of the actual number of species on the planet, EXCEPT:
A Many terrestrial species are highly migratory & difficult to keep track of
B Many species are tiny and inconspicuous
C Some areas remain little explored
D Some species are very similar in appearance
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9 True or False: Only rich, first world nations are wasteful.
True
False
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10 All of the following are examples of human habitat destruction/alteration EXCEPT:
A Urban development
B Marine Aquaculture (fish farming)
C Forest clearing due to fires from lightning
D The introduction of agricultural crops such as soy, wheat, and corn
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11 When considering extinction & conservation biology, which of the following is FALSE:
A A goal is to reduce the escalating threats to biodiversity
B A goal is to educate people concerning the fact of that which harms biodiversity will eventually harm mankind
C A goal is to eradicate extinction as a whole
D A goal is to prevent the extinction rate from exceeding the rate of speciation
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12 Bowhead whales were hunted almost to extinction but have started to recover after hunting was banned. If hunting were to be reinstated, the populations would rapidly decline to a severely threatened state within 5 years. This is an example of a _____________ species.
A Extinct in the Wild
B Conservation Dependent
C Vulnerable
D Endangered
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13 Which of the following is NOT a guiding principle of conservation biology
A Evolutionary Change
B Extinction Equilibrium
C Dynamic Ecology
D Human Change
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14 The global population in 2050 is likely to be around
A 6.7 billion people
B 7.5 billion
C 7.8 billion
D 9.2 billion
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15 A minimum viable population (MVP) is defined as:
A A minimum number of species (250 or less) that categorize a species as critically endangered
B The total number of species that live within an area that is considered "highly biodiverse"
C The minimum number of species required to maintain a population's adaptable level of genetic diversity
D The minimum population level required to maintain reproductive rates similar to the last 5 generations of a given population
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16 Biodiveristy can be best described as
A a large number of the same genetic variations
B a large population within an ecosystem
C a variety of species within a community
D a variety of ecosystems within a population
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17 True or False: Humans have only recently been for their environmental destruction.
True
False
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18 In the 1950's the global human population was between:
A 2 and 3 billion
B 4 and 5 billion
C 6 and 7 billion
D 9 and 10 billion
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19 What percent of the global population relies on fish and aquatic inverts for their main/only source of protein
A 25%
B 50%
C 70%
D 90%
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20 A population that has or will decrease by 90% within 10 years defines:
A Extinct in the Wild
B Conservation Dependent
C Vulnerable
D Critically Endangered
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21 What percent of global oceanic fisheries are being fished beyond the recommended sustainable yield?
A 25%
B 40%
C 55%
D 80%
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22 A species that cannot be found in the wild or in captivity:
A Extinct
B Extinct in the Wild
C Vulnerable
D Conservation dependent
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23 The individuals that advocate a resource-based approach to the management of natural resources describes:
A Preservationists
B Conservationists
C Biologists
D Ecologist
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24 When considering the percent of species, the majority of species that make up the IUCN Red List are:
A mammals
B aves (birds)
C molluscs
D amphibians
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25 Which of the following international organizations is responsible for finding pragmatic solutions for the most pressing environmental challenges:
A FDA
B EPA
C IUCN
D EPBC
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26 Which of the following is adaptive radiation:
A A species of moth eventually changes from ash/white to brown to avoid predators
B A clown fish uses a anemone as shelter in a mutualistic relationship
C A shift in the average speed on an antelope species in reaction to predators
D Finches developing different types of beaks to feed on different food sources
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27 The red-tailed shark can only be found in the aquarium trade. This means that this organism is:
A Extinct
B Extinct in the Wild
C Vulnerable
D Conservation Dependent
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28 Approximately how many species do we know exist on the planet:
A 1.75 billion
B 1.75 million
C 10 million
D 10 billion
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29 Why is it that developing countries that used to be self-sufficient when concerning food are now having to import food?
A the global agricultural system has collapsed
B the rise in the use of corn as a fuel crop instead of a food crop has caused a spike in food prices
C the human populations in those countries have increased faster than the food infrastructure in those countries
D the water quality in developing countries has improved to the point that they are now energy independent
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30 Prior to the existence of humans, how many mass extinctions (over half of global species are wiped out) have occurred?
A 3
B 5
C 20
D 42
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31 Using the provided chart, what assumption can be made about mankind's impact on larger species:
A Human's development of industrial technology has caused a massive decline in species diversity.
B Mankind's destructive hunting practices have only recently caused large-scale extinctions.
C Mankind's pollution of the environment through the use of heavy metals & plastics has a direct association with the decline of larger species populations.
D Human hunting practices are directly associated with an exponential decline in larger animal populations.
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32 True or False: Humans have only recently (since the Industrial Revolution, 1760-1840) been environmentally destructive.
True
False
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33 The management and sustainable use of the natural environment and natural resources for ethical reasons and the benefit of humanity defines
A Biology
B Conservation Chemistry
C Conservation Physiology
D Conservation Biology
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34 Unequal distribution of species diversity near the equator defines:
A species richness
B latitudinal richness
C equatorial gradient
D latitudinal gradient
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35 Which of the following defines an “umbrella species?"
A A charismatic species that through the protection provided for itself has a trickle-down protective effect.
B A species that is large enough to defend itself against most humans, thus providing an "protect" area for the smaller species that live nearby.
C A beloved species that was driven to extinction, providing a sad example for the necessity of protection for contemporary species.
D A species that is relatively small, thus making it easier to protect & serving as an example for protection of large & more difficult species.
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36 The affinity for parks & wildlife, keeping of pets, and high relative values of real estate with landscape views are all examples of human's
A biophilia
B biophobia
C ecotourism
D ecoconservationism
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37 Which of the following is considered the most directly damaging to the survival of a species:
A The introduction of invasive species
B Pollution in the air and water
C Habitat alteration/destruction
D Overexploitation
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38 A species that is found in large numbers in captivity, but the wild populations are declining due to habitat loss (at risk of becoming endangered) are considered:
A critically endangered
B near threatened
C extinct in the wild
D vulnerable
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39 For a species to be considered Critically Endangered, which of the following must be true
A The population of the species can be found in only one area on the planet
B The population of the species totals less than 350 individuals
C The population of the species totals less than 250 mature adults
D The species used to be located globally, but now can only be found in one area on the globe
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40 All of the following factors make a species vulnerable to extinction EXCEPT:
A The species requires a large range in which it lives
B The species is easily able to exist in captivity
C The species is of economic value to humans and exists in developing countries
D The species only occur in habitats that are now threatened