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Definition
| a group of similar organisms that can mate with each other and produce fertile offspring |
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| the preserved remains or traces of an organisms that lived in the past |
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Definition
| a trait that helps an organism survive and reproduce in its environment |
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Definition
| the gradual change in a species over time |
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Definition
| a well-tested concept that explains a wide range of observations |
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Definition
| individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species |
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Definition
| a difference between individuals of the same species |
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Definition
| the comparision of the structures of different organisms |
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Definition
| structures that are similar to a common ancestor |
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Definition
| a hollow area in sediment in the shape of an organism or part of an organism |
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Definition
| a solid copy of the shape of an organism |
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Definition
| fossils in wihich minerals replace all or part of an organism |
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Definition
| evidence of the activities of sncient organisms |
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Definition
| scientist that studies fossils |
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Definition
| hypothesis that evolution occurs slowly but steadily |
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Definition
| hypothesis that accounts for the gaps in fossil records |
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Definition
| an organisms specific enviroment that provides the oraganism waith all vital things for life |
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Definition
| a species with no living members |
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Definition
| process of grouping things by similar and different traits |
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Definition
| the scientific study of how living things are classified |
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Definition
| naming system for giving every species a 2 part name |
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Definition
| classfication grouping that contains similar, closely related organisms |
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Definition
| organisms with cells that lack a nuclues and other organelles |
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Definition
| organims with cells that have all neccesary organelles |
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Definition
| diagram that shows probable evolutionary relationships between organisms |
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| shared derived characteristics |
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Definition
| a trait that is shared by all the organism in the group |
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Definition
| trapped organism, traps: tar, amber, etc. |
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Term
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Definition
| one of the 8 main levels of classification, the first word of each species scientific name |
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