Biodiversity and Conservation Flashcards

(31 cards)

1
Q

Biodiversity

A

Variety, numbers, and distribution of organisms

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2
Q

Species Diversity

A

Number of species (richness) and relative proportions (evenness)

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3
Q

Habitat Diversity

A

Range of different habitats

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4
Q

Genetic Diversity

A

“Gene Pool” biological variation that occurs within species

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5
Q

How is Biodiversity an indicator of Ecosystem Health?

A

1.

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6
Q

Hotspots

A

A place with high levels of biodiversity that is under threat by humans
Key Details:
- Rain forests
- Nearer the tropics
-Habitat under threat
-Large Densities of humans nearby

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7
Q

Speciation

A

-Change of a species over a long period
- Formation of new species when populations become isolated and evolve differently
- Biological variation is random
- can be beneficial/harmful or no impact at all on individual

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8
Q

Natural Selection

A

Survivial of the fittest, more adapted/ tend to survive and reproduce better

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9
Q

Mechanisms of Speciation

A
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10
Q

Background Extinction

A
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11
Q

6th mass extinction

A
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12
Q

Threats to biodiveristy

A
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13
Q

Factors that maintain biodiversity

A
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14
Q

Factors that lead to a loss of biodiversity

A
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15
Q

What is important about Rain Forests?

A
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16
Q

Factors that make species prone to extinction

17
Q

IUCN Red List

24
Q

Direct values of Biodiversity

25
Indirect Values of Biodiversity
26
Approaches to Conservation
27
Designing protected Areas
28
Diversity Index
29
Evenness
30
Habitat Fragmentation
31
Habitat Degradation