Evolution Word Scramble
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| Question | Answer |
| adaptation | a characteristic that helps an organism survive and reproduce in its environment |
| species | a group of organisms that can mate with one another to produce fertile offspring |
| evolution | the process by which populations accumulate inherited changes over time |
| fossil | solidified remains or imprints of a once-living organism plate tectonics |
| fossil record | fossils that provide a historical sequence of life |
| trait | a quality that can be passed on from 1 generation to another |
| selective breeding | breeding of organisms that have a certain desired trait |
| natural selection | process by which organisms with favorable traits survive and reproduce at a higher rate than organisms without the favorable trait |
| mutation | a change in the order of the bases of DNA |
| speciation | process by which 2 populations of the same species become so different that they can no longer interbreed |
| extinct | a species of organism that has died out completely |
| What are the 3 ways you can compare organisms? | skeletal structures, DNA and the embryonic structures |
| What kind of rock are fossils found in? | sedimentary rock 3 types of rock |
| Who made observation that later became the foundations for his theory of evolution by natural selection? | Charles Darwin |
| relative dating | ordering fossils to estimate their age |
| absolute dating | the method of measuring the ratio of unstable atoms to stable atoms, which help determine the approximate age of a fossil |
| geologic time scale | the calendar scientists use to outline the history of life on earth |
| Pangaea | a single large landmass of the earth |
| What are some possible forces that cause the Earth's crust to move? | volcanic eruptions and earthquakes |
Created by:
Bshiffman
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