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| The evolution and spreading out of related species into new niches. |
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| Adapted to life in the trees. |
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| Species that are adapted to a wide range of environmental niches. Such species tend to be genetically and physically variable. |
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| The idea that an intelligent designer played a role in some aspect of the evolution of life on earth, usually the origin of life itself. Generally, a thinly disguised version of scientific creationism. |
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| The branching of new species from existing species. |
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| Mutations with extensive and important phenotypic results. The mutations for sickle cell anemia and Down syndrome are examples. |
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| Evolutionary change within a single species through time. |
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| A primate with primitive features most closely resembling the ancient primates. |
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| Scientifically testable ideas that are taken on faith, even if tested and shown to be false. Scientific creationism is a pseudoscience. |
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| The view that species tend to remain stable and that evolutionary changes occur fairly suddenly through the evolution of new species branching from existing ones. |
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| reproductive isolating mechanism |
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| Any difference that prevents the production of fertile offspring between members of two populations. Necessary for the production of separate species. |
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| The belief in a literal biblical interpretation regarding the creation of the universe, with the connected belief that this view is supported by scientific evidence. An example of a pseudoscience. |
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| Species that are adapted to a narrow range of environmental niches. |
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| The evolution of new species. |
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| What types of reproductive isolating mechanisms? |
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- ecological
- seasonal
- hybrid inviability |
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| a population develops a reproductive isolating mechanism from its parent population |
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| About how many named species are living today |
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| Ancestral primates that evolved about 40 may were a generalized group that differed from their prosimian ancestors that they |
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| ate a mixed diet of leaves, fruit and insects |
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| Adaptive radiation is fostered by which circumstances? |
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- when an envrionment supports no similar and therefore no competing species
- when extensive extinction empties a set of environments of competing species
- when a new group of related species is adaptively generalized and is able to disperse successfully into difference niches and displace species already there |
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| Darwin's finches in the Galapagos are an example of what kind of adaptive radiation? |
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| When an environment supports no similar and therefore no competing species |
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| How many times have there been catastrophic mass extinctions in earth's history? |
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| The idea that the cell is far too complex to have evolved naturally therefore it must have been created by some higher thinking entity is called? |
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