Term
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Definition
| Invented by Linnaeus; used to classify species based on appearance. |
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Term
| Biological Species Concept |
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Definition
Ernst Mayr, 1940
Defines a species as an actually or potentially interbreeding natural populations reproductively isolated from other populations. |
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Term
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Definition
| Geographic isolation causes a species to evolve barriers to hybridization, which leads to speciation. |
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Term
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Definition
| Reproductive barriers develop in the same area through specialization on resources like food, or spontaneous genetic mechanisms like polyploidy. |
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Term
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Definition
| Doublings in numbers of chromosomes. |
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Term
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Definition
-Habitat isolation
-Temporal Isolation
-Mechanical Isolation
-Gametic Isolation
-Behavioral Isolation |
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Term
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Definition
-Low hybrid zygote viability(developmental abnormality)
-Low hybrid adult viability
-Hybrid infertility |
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Term
| Causes to the Difference in Speciation Rate |
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Definition
-Dietary or niche specialization
-Evolutionary radiations
-Sexual seleciton |
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