Unit #9 Exam Review Quiz

1. Unit #9 Exam Review Quiz Grade: «grade» «subject» Subject: «date» Date:

2. 1 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

3. 2 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

4. 3 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%

5. 4 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

6. 5 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

7. 6 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

8. 7 Where did the most famous & most devastating fishery collapse occur: A Newfoundland, Canada B Marquesas Keys, Key West C Hong Kong, China D Bali, Indonesia

9. 8 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

10. 9 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

11. 10 A species that cannot be found in the wild or in captivity: A Extinct B Extinct in the Wild C Vulnerable D Conservation dependent

12. 11 All of the following are reasons why extinction is a concern for conservation biologists, EXCEPT: A Threats to biodiversity are synergistic B Threats to global biodiversity are on the decline due to international cooperation C Processes that harm biodiversity are similar to processes that will/do harm humanity D The threats to biodiversity are at an unprecedented level

13. . 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

14. 13 Which of the following describes a systematic threat to biodiversity: A An earthquake causing a tsunami B A lightning strike causing a forest fire C Burning of fossil fuels causing a gradual acidification of the oceans D Heavy rains causing a massive mudslide

15. 14 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

16. 15 All of the following characteristics make a local species vulnerable to extinction, EXCEPT: A The species has no economic value or impact on humans B The species lives in a threatened habitat C The species requires a large home range D The species has little or no experience with predators

17. 16 Background extinction is defined as ________ species going extinct every 500 to 1,000 years. A 1 B 10 C 100 D 1,000

18. 17 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

19. 18 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

20. 19 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

21. 20 The management and sustainable use of the natural environment and natural resources for ethical reason and the benefit of humanity defines: A Conservation Biology B Field Ecology C Glaciology D Astrology

22. 21 Using an explosion to stun/kill fish for collection, consumption, and/or sale defines: A Ghost Nets B Cyanide Fishing C Blast Fishing D Trawling

23. 22 Which of the following would be the most destructive practice when considering deep water reefs: A Ghost Nets B Bottom Trawling C Blast Fishing D Cyanide Fishing

24. 23 Which of the following countries exemplify overpopulation: A USA B Chile C Russia D India

25. 24 Which of the following is the definition of over fishing: A towing a fishing net called a trawl along the sea floor B removing wildlife at a rate that exceeds that species' ability to repopulate from season to season C spraying sodium cyanide mixture into the desired fish’s habitat in order to stun the fish to make them swim slower and easier to catch D number of individuals compared to the relevant resources, such as the water and essential nutrients they need to survive. It can result from an increase in births, a decline in mortality rates, an increase in immigration, or an unsustainable biome and depletion of resources

26. 25 Which of the following defines biomagnification: A the increase in concentration of a pollutant from the environment to the first organism in a food chain B the increase in the concentration of a pollutant from one link in a food chain to another C taking wildlife from the sea at rates too high for fished species to replace themselves D number of individuals compared to the relevant resources, such as the water and essential nutrients they need to survive. It can result from an increase in births, a decline in mortality rates, an increase in immigration, or an unsustainable biome and depletion of resources

27. 26 GMO crops are banned in all of the following countries, EXCEPT: A USA B UK C Japan D Australia

28. 27 Which of the following are most vulnerable to GMOs: A Humans B Large Mammals C Large carnivorous fish D Pollinators

29. 28 One pound (lb) of powdered rhino horn is valued at approximately: A $5,000 B $12,000 C $30,000 D $100,000

30. 29 Illegal fishing accounts for ______ of the global catch. A 20% B 50% C 75% D 80%

31. 30 True or False: There are multiple oceanic garbage patches and the largest one is in the northern Pacific Ocean. True False

32. 31 Which of the following is most vulnerable to the oceanic garbage patches: A Baleen Whales B Toothed Whales C Atlantic Bluefin Tuna D Microorganisms

33. 32 Which of the following is the definition of bioaccumulation: A the increase in concentration of a pollutant from the environment to the first organism in a food chain B the increase in the concentration of a pollutant from one link in a food chain to another C number of individuals compared to the relevant resources, such as the water and essential nutrients they need to survive. It can result from an increase in births, a decline in mortality rates, an increase in immigration, or an unsustainable biome and depletion of resources D taking wildlife from the sea at rates too high for fished species to replace themselves

34. 33 All of the following are examples of chemicals that bioaccumulate and biomagnify, EXCEPT: A DDT B Mercury C PCBs D Atrazine

35. 34 Which of the following damages coral by causing oxygen to be removed from the water: A Blast Fishing B Overfishing & Over population C Cyanide Fishing D Ghost Nets

36. 35 Which of the following is most likely to eat a plastic grocery bag having mistaken it for a jellyfish: A Sea turtle B Baleen Whale C Lobster D Microorganisms

37. 36 Which of the following exacerbates all of the other environmental issues: A GMO B Overfishing C Over population D Illegal fishing