SCIENCE VOCUBULARY WORDS
1046308607 | biological evolution | change over time in populations of related organisms | 0 | |
1046308608 | cast | fossil copy ina organism in a rock | 1 | |
1046308609 | extinction | when all individuals of a species have died | 2 | |
1046308610 | fossil record | set of all the fossils ever discovered on Earth | 3 | |
1046308611 | geologic time scale | chart that divides Earth's history into different time units | 4 | |
1046308612 | isotopes | atoms of the same element that have different numbers of neutrons | 5 | |
1046308613 | mold | impression of an organism in a rock | 6 | |
1046308614 | tissue | similar cells that work together and perform a function | 7 | |
1046308615 | trace fossil | preserved evidence of the activity of an organism | 8 |