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APES > Unit 2 > Flashcards

Unit 2 Flashcards

1
Q

Adaption

A

A trait that improves an individual’s fitness

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2
Q

Biodiversity

A

The variety of life on earth, species, habitat, and genetic

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3
Q

Endemic species

A

A species that is only found in one area

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4
Q

Evolution

A

Process by which animals adapt to survive

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5
Q

Generalist

A

A species that can live under a wide range of abiotic and biotic conditions, this is due to a number of alternative habitats and food sources

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6
Q

Habitat

A

The natural home on environment of organism

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7
Q

Mass extinction

A

A large extinction of species in a relatively short period of time

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8
Q

Mutation

A

Change in DNA of organism that changes physiology / way organism interacts with environment

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9
Q

Natural selection

A

Process by which evolution occurs best fit for environment reproduces.

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10
Q

Niche

A

A particular environment where organism preforms particularly well

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11
Q

Specialist

A

A species specializes to live in a specific habitatI have specialized food source

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12
Q

Species

A

A group of organisms similar and capable of reproducing together

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13
Q

Invasive species

A

An alien species whose introduction causes loss of biodiversity

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14
Q

Keystone species

A

A species that plays a for more important role in its community than its population size suggests

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15
Q

Pioneer species

A

The first species to colonize an area, typically moss

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16
Q

Primary succession

A

Ecological succession occurring in surfaces of rock devoid of Soil

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17
Q

Resilience

A

Ability of an ecosystem to recover after disturbance

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18
Q

Secondary succession

A

Succession of life in areas that have been disrupted but not devoid of soil

19
Q

Intrinsic value

A

Value indecent of any benefit to humans ( true value)

20
Q

Biodiversity hotspot

A

A region w/ significant levels of biodiversity that is threatened by human habitation

21
Q

Conservation

A

Study of conservation of nature and biodiversity

22
Q

Cites

A

Conservation on International trade in endangered species (control trade of species )

23
Q

Ecosystem services

A

Important environmental benefits that ecosystem provides to people

24
Q

Supporting services

A

Natural ecosystem provides support to humans ex pollination or food crops

25
Q

Cultural service

A

The inspiring beauty of nature has value and provides humans w/ economic and health benefits

26
Q

Regulating services

A

Ecosystem helps to regulate environmental conditions(ex. Carbon cycling via tropical rainforests)

27
Q

Provisioning services

A

A good humans can use directly ex: lumber

28
Q

Extirpation

A

The termination of species in specific area but not globally

29
Q

Habitat fragmentation

A

Human development breaks up habitat and creates smaller more isolated population

30
Q

Inbreeding

A

When relatives w/ similar gene types breed and produce offspring (causing impaired ability to survive)

31
Q

Latitudinal gradient

A

Pattern of species diversity where species numbers are highest at low latitudes and decrease towards poles on earth

32
Q

Mass extinction event

A

A disruptance to ecosystem that has resulted in a mass extinction

33
Q

Red list

A

A list of world wide threatened species

34
Q

Species richness

A

Number of species in a given area

35
Q

Species evenness

A

Relative proportion of (common or rare ) different species in given area

36
Q

Endangered species act

A

Act that prohibits harm to any species listed by vs wildlife services

37
Q

Theory of island biogeography

A

Island diversity is determined by size and distance from mainland

38
Q

Extinction

A

The dying out of a species

39
Q

Bottleneck effect

A

A reduction in genetic diversity due to severe reduction in population size

40
Q

Founder effect

A

A change in genetic diversity due to small population colonizing on island

41
Q

Habitat diversity

A

Range of habitat/ecosystem in given area (improved species diversity)

42
Q

Species diversity

A

Variation of species in ecosystem (ecosystem becomes more resilient to disruptions)

43
Q

Genetic diversity

A

Genetic variability within species ( improves likelihood species will survive disruption)

APES (4 decks)

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