Term
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Definition
| When a species splits in to two distinct species |
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Term
| What are the three concepts of speciation? |
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Definition
1. Biological Species Concept
2. Morphology species concept
3. Phylogenetic species concept |
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Term
| What are the five types of Prezygotic isolation? |
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Definition
1. Temporal
2. Behavior
3. Habitat
4. Gametic
5. Mechanical |
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Term
| Describe the Postzygotic Isolation |
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Definition
Hybrid Viability
Hybrid Sterility |
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Term
| When does Speciation begin? |
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Definition
| when gene flow is reduced or eliminated |
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Term
| What are the two ways physical isolation occurs in speciation? |
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Definition
1. Disperal-voluntary movement than change into unique population
2. Vicariance-forced separation by physical barriers |
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Term
Describe Allopatric Speciation
What are the two kinds? |
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Definition
populations not living in the same area
1. Disperal
2. Vicariance |
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Term
Describe Sympatric Speciation
what two reasons may prevent inbreeding? |
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Definition
populations live in the same area
1. Preference of Habitat (apple tree or Orange Tree)
2. Polyploidy (Autopolyploidy, Allopolyploidy) |
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Term
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Definition
| NS for traits isolate population |
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Term
| What are five outcomes of "successful" population interbreeding |
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Definition
1. Fusion of Population
2. Reinforcement
3. Hybrid Zone
4. Extinction of one population
5. Creation of a new species |
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