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Ch 10 Lesson 1
Definitions
Term | Definition |
---|---|
carbon film | fossilized carbon outline that forms when pressure drives off the gases and liquids from a buried organism |
cast | fossil copy of an organism |
catastrophism | idea that conditions and creatures on Earth change in quick, violent events |
fossil | preserved remains or evidence of ancient living organisms |
mold | impression in a rock left by an ancient organism |
paleontologist | scientist who studies fossils |
petrified | turned into stone by the replacement of tissue with minerals |
trace fossil | preserved evidence of the activity of an ancient organism |
uniform | always the same form, manner, or degree |
uniformitarianism | states that geologic processes that occur today are similar to those that occurred in the past |