Chapter 14/15 Evolution Flashcards

(14 cards)

0
Q

Speciation

A

Origin of a new species.

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1
Q

Macroevolution

A

Origin of new taxonomic groups: DKPCOFGS

  • Domain
  • Kingdom
  • Phylum
  • Class
  • Order
  • Family
  • Genus
  • Species
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2
Q

Biological Species Concept

A

Defines “specie” as a population who’s members can produce fertile offspring with each other, but cannot do the same with members from a another species.

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3
Q

Ecological Species Concept

A

Defines “specie” depending on the resources a population typically uses.

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4
Q

Morphological Species Concept

A

Defines “specie” depending on their structural features. Defines the difference between species.

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5
Q

Phylogenetic Species Concept

A

Defines “specie” depending on genetic history, such as genetic markers.

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6
Q

Prezygotic Barriers

A

Impediments that hinder cross breeding between different species.

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7
Q

Habitat Isolation

A

Possible mates do not meet due to living in different habitats.

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8
Q

Behavioral Isolation

A

Possible mates can’t communicate due to different mating signs.

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9
Q

Temporal Isolation

A

Possible mates cannot mate due to different mating time periods.

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10
Q

Mechanical Isolation

A

Possible mates cannot mate due to different structurally built reproductive organs.

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11
Q

Gametic Isolation

A

Possible mates cannot mate due to lack of fusion of gametes.

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12
Q

Geographical Isolation

A

Possible mates never meet due to specific biomes.

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13
Q

Postzygotic Barriers

A

Impediments that prevent the offspring of parents from becoming fertile themselves.

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