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m > Chapter 6: Biodiversity > Flashcards

Chapter 6: Biodiversity Flashcards

1
Q

Species Diversity

A

Each species plays a role in the ecosystem

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2
Q

Genetic Diversity

A

Genetic change through evolution

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3
Q

Ecosystem Diversity

A

A variety of different habitats and communities

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4
Q

Functional Diversity

A

What organisms do in habitats and communities

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5
Q

Community

A

Different species interacting together in the same habitat

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6
Q

Biodiversity

A

Variety of life

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7
Q

Local Extinction

A

Species no longer in area

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8
Q

Ecological Extinction

A

Are so few that they can no longer play an ecological role

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9
Q

Biological Extinction

A

Fully Extinct

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10
Q

Endangered species

A

Could soon be extinct

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11
Q

Threatened species

A

still abundant in natural area, but numbers are declining

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12
Q

1.9M of 8-100M Possible Species

A

Extinction rate 0.01% per year

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13
Q

Aldo Leopold

A

Precaution and intelligent thinking

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14
Q

Precautionary Principle

A

Creating alternatives to harmful actions

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15
Q

Recreation

A

Wild plants and animals being pleasure for people

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16
Q

Ecotourism

A

Segment of Global Travel Industry

17
Q

Habitat Fragmentation

A

When a large area of habitat is reduced or divided

18
Q

Habitat Fragmentation Problems:

  • Decrease in population size; divides populations
  • Increased surface area; increases competition
  • Creation of Barriers; limits food and mating opportunities
A

-

19
Q

40% of Endangered Species in the US threatened by invasive

A
  • This is a result of Habitat Fragmentation
20
Q

1975 CITES

A

Reduced international trade of threatened animals

21
Q

CBD, 1992

A

Countries must have a sustainable use of biodiversity

22
Q

Endangered Species Act, 1972, ESA

A

Illegal for Americans to import or trade endangered

23
Q

1982 Amendment

A

Habitat Conservation Plans

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