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Social Science > Microtaxonomy > Flashcards

Microtaxonomy Flashcards

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1
Q

What are the three types of speciation?

A

Allopatric
Parapatric
Sympatric

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2
Q

Type of speciation where gene flow is interrupted when a population is divided into geographically isolated
subpopulations

A

Allopatric

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3
Q

Occurs when part of a population enters a new habitat bordering the range of the parent
species

A

Parapatric speciation

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4
Q 
happens when gene flow is diminished by:
• Polyploidy
• Habitat differentiation
• Sexual selectionhappens when gene flow is diminished by:
• Polyploidy
• Habitat differentiation
• Sexual selection
A

Sympatric speciation

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5
Q

Speciation occurs by…

A

Gradualism

Punctuated equilibrium

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6
Q

Gradual transformation of one species through a series of intermediate forms

A

Gradualism

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7
Q

Brief bursts of rapid evolution

A

Punctuated Equillibrium

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8
Q

Species tends to disperse in different
niche, adapting to different speciation
needed in that specific area

A

Adaptive radiation

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9
Q

Two types of isolation mechanisms

A

Pre-zygotic

Post zygotic

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10
Q

What are the 4 Pre-zygotic isolation mechanisms

A

Behavioral
Ecological
Mechanical
Gametic

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11
Q

incompatible reproductive structures between species

A

Mechanical Isolation

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12
Q

incompatible gametes during fertilization

A

Gametic Isolation

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13
Q

barriers in the ecology

A

Ecological Isolation

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14
Q

absence of cross-attraction between individuals of different species, inhibiting
any courtship initiation

A

Behavioral Isolation

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15
Q

What are the 4 types of postzygotic isolation mechanism

A

Ecological Availability
Hybrid Availability
Behavioral Sterility
Hybrid sterility

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16
Q

closely related species which are morphologically alike but are behaviorally
and reproductively isolated from each other

A

Sibling species

17
Q

species that are alike on the basis of observed features but are genetically
and sexually different

A

Cryptic species

18
Q

– species found throughout the tropics

A

Pantropical species

19
Q

found in a particular region

A

endemic species

20
Q

– those occurring at high elevations on mountain ranges

A

Montane species

21
Q

species with uniparental origin

A

Agamo Species

22
Q

– species whose two sexes are found in the same individual produced asexually

A

Panmictic species

23
Q

produced asexually

A

Apomictic species

Social Science (10 decks)

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