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Definition
| Two organisms cannot breed because their egg and sperm cannot interact. |
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Definition
| When two mating songs are too different fro potential mates to recognize, or the animals have different courtship rituals |
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Definition
| A group of species that include a single common ancestor. |
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Definition
| The formation of a new species |
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Definition
| traits that arose in most recent common ancestor and passed on to descendants. |
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Term
| Evolutionary Classification |
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Definition
| Groups organisms based on common ancestors |
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Definition
| large geographical border seperation prevents interbreeding. |
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Definition
| Two species live in same area, but slightly different habitats. |
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Definition
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Definition
| Two species do not have the same anatomical structures compatible to mate. |
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Definition
| point at which the two animals shared a common ancestor. |
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Definition
| Two species can breed, but the offspring cannot live to reproductive age. |
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Definition
| A diagram that shows patterns of shared unique traits using evolutionary relationships. |
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Term
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Definition
| Two organisms that actually or can potentially sexually breed and produce fertile offspring |
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Definition
| Breeding at different times of the year prevents interbreeding |
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Term
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Definition
| all of the populations of individuals that can actually or can potentially breed with each other in nature to produce fertile offspring. |
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Term
| Phylogenetic Species Concept |
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Definition
| Used by Evolutionary Biologists, it defines a species as a distinct lineage and reflects the evolutionary relationship among taxa. |
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Term
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Definition
| The total number of genes of every individual in an interbreeding population. |
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Term
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Definition
| The movement of genes or alleles between interbreeding populations of a particular species. |
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