Chapter 14/15 Evolution Flashcards Preview

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Macroevolution

Origin of new taxonomic groups: DKPCOFGS
-Domain
-Kingdom
-Phylum
-Class
-Order
-Family
-Genus
-Species

1

Speciation

Origin of a new species.

2

Biological Species Concept

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.

3

Ecological Species Concept

Defines "specie" depending on the resources a population typically uses.

4

Morphological Species Concept

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

5

Phylogenetic Species Concept

Defines "specie" depending on genetic history, such as genetic markers.

6

Prezygotic Barriers

Impediments that hinder cross breeding between different species.

7

Habitat Isolation

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

8

Behavioral Isolation

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

9

Temporal Isolation

Possible mates cannot mate due to different mating time periods.

10

Mechanical Isolation

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

11

Gametic Isolation

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

12

Geographical Isolation

Possible mates never meet due to specific biomes.

13

Postzygotic Barriers

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