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biology of mammals > Conservation > Flashcards

Conservation Flashcards

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AP® Biology flashcards
1
Q

What action does the IUCN redlist catalyse?

A

Biodiversity and conservation

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2
Q

What has lead to the population decline of florida panther?

A

Reducing resources leading to inbreeding

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2
Q

Where are wildcats found?

A

Scotland

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3
Q

How many mammals are critically endangered?

A

213

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3
Q

How has pine martin populations increased?

A

Protection

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3
Q

What was caused by the introduction of grey squirrels?

A

Squirrel poxvirus

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4
Q

How many mammals are considered extinct?

A

77

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5
Q

Where were the black-footed ferrets rediscovered?

A

Wyoming

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6
Q

What do increasing human populations put pressure on?

A

The environment

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6
Q

Where were black footed ferrets reintroduced?

A

Canada and Mexico

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7
Q

How long does an animal not have to be seen for it to be declared as extinct?

A

Decades

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7
Q

When was the last time the yangste river dolphin seen?

A

2007

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9
Q

What are the 3 groups that species fall into under the IUCN redlist?

A

Extinct, Threatened, At low risk

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10
Q

Which species are most represented on the IUCN redlist?

A

Mammals and birds

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11
Q

Where is most charismatic species found?

A

Critically endangered

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12
Q

How much of the world population lives on the yangste river?

A

12%

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12
Q

How have populations of florida panther being increased?

A

Introduction of male panthers from texas

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13
Q

What does the IUCN redlist develop?

A

International action

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15
Q

Where is population growth the highest?

A

Developing world

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16
Q

What us the IUCN Redlist?

A

Formalised system of assessing conservation status

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16
Q

Where were red foxes introduced?

A

Australia

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17
Q

What was steller’s sea cow exploited for?

A

Fat

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17
Q

What is the main cause of most problems leading to conservation issues?

A

Global warming

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19
Q

How many mammals are considered extinct in the wild?

A

2

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20
Q

How many species have been assessed by the IUCN redlist?

A

5513

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21
Q

How many black footed ferrets were brought into captivity for breeding?

A

18

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23
Q

What are the sub groups in the extinct category?

A

Extinct, extinct in the wild

24
Q

Which mammals are extinct in the wild?

A

Pere David’s Deet, Scimitar0homed oryx

26
Q

What are the sub groups in the low risk category?

A

Near threatened, least concern

26
Q

What caused the decline in black-footed ferrets?

A

Prairie dogs killed to improve aggriculture

27
Q

What does the habitats directive mean?

A

European sights have to report how well populations of species are doing

28
Q

Where are pine martins found?

A

Scotland

29
Q

What has caused the increase in zoonoses?

A

Increased contact between humans and animals

30
Q

What does the wildlife and countryside act mean for red squirrels?

A

Protected by not actively conserved

32
Q

What is the most endangered carnivore?

A

Iberian lynx

32
Q

What is the new addition to Critically endangered?

A

Possibly extinct

32
Q

Why are amami rabbits endangered?

A

Slow, shallow burrows. Predated on by introduced mongooses to control snakes

32
Q

What are black footed ferrets now considered?

A

Endangered

33
Q

Why did polecate populations decline?

A

Exposure to reodenticides from eating rats

34
Q

What declined because of the introduction of red foxes?

A

Rock wallaby, numbat, bilby

37
Q

What is happening to blue whales?

A

Populations are increasing

38
Q

What was considered to cause the decline of otters?

A

Introduction of mink

39
Q

Where is disease most prevalent?

A

Developing world

41
Q

Why are giant pandas doing better?

A

Captive breeding

43
Q

What is an example of a mammal in CR PE?

A

Yangste river dolphin

44
Q

How many species are in critically endangered, possibly extinct?

A

30

45
Q

Where is the most mammal diversity, inconveniently?

A

Areas of high human population

47
Q

Why are a lot of mammals not well studied?

A

Live in difficult areas and not charismatic

48
Q

Where did polecats retreat too?

A

Wales

49
Q

What were northern right whales important for?

A

Development of human whaling industry

50
Q

How many mammals are in the endangered category?

A

477

51
Q

What are the sub groups in the threatened category?

A

Critically endangered, endangered, vulnerable

52
Q

What is problem with domestic cats and wild cats?

A

Hybridisation

53
Q

What actually caused the decline of otters?

A

Organochlorine

54
Q

In which group does a lot of conservation action take place?

A

Critically endangered

55
Q

What are the 4 main global threats?

A

Habitat loss, harvesting, accidental morality, pollution

57
Q

What does extinct in the wild mean?

A

No longer exist as free living populations.

58
Q

What has being introduced to increase the numbers of Tasmanian devils?

A

Insurance populations created in captivity.

59
Q

Which species does global warming directly affect?

A

Polar bears

60
Q

What is the habitats directive?

A

European legislation

61
Q

What are examples of mammals in endangered?

A

giant panda, blue whale, amami rabbit

62
Q

What are examples of extinct mammals?

A

Steller’s sea cow, sea mink, thylacine, aurochsen, japanese sealion, caribbean monk seal

63
Q

How was the decline of otter numbers recorded?

A

From otter hunters noticing less numbers

64
Q

Where did the last thylacin die?

A

Captivity

65
Q

What type of extinction exists for scottish wildcat?

A

Genetic

66
Q

What is the main threat to mammal populations?

A

Increasing human populations

67
Q

Where is there high amounts of data deficiency?

A

Inaccessibility to areas

biology of mammals (13 decks)

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