Page 109 - Science Course 3 (Book 2)
P. 109

Across

                                                                           4. copies of organisms made when
                                                                               groundwater f lls pore spaces
                                                                           5. evidence of the activity of an ancient
                                                                               organism
                                                                           6. tiny fossils about the size of a speck of
                                                                               dust
                                                                           7. actual remains of organisms

                                                                           8. a carbon outline of an organism left
                                                                               after gases and liquids are driven off

                                                                                           Down

                                                                           1. a scientist who studies fossils

                                                                           2. the idea that geologic processes occur
                                                                               ring today are similar to those that have
                                                                               occurred in the past

                                                                           3. the idea that conditions and creatures
                                                                               on Earth change in quick, violent events



                 Mo12-L1: Key Concept Check

                 Direction:  Answer each question in the space provided





                                                      Preserved Remains

                    Type of
                 Preservation       Describe each type of preservation        Describe how each fossil forms.

                Preserved      1.                                        2.
                remains







                Carbon f lms   3.                                        4.








                Mineral        5.                                        6.
                replacement







                Molds          7.                                        8.








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