| A | B |
| What is a fossil | any kind of evidence of something that was alive a long time ago |
| what does it mean to be extinct | organisms that were once alive but no longer exist on the earth |
| what is petrified | the remains of a living thing that has turned to stone |
| what is found in amber | insects |
| where did the first living organisms probably live? | water |
| know some info about the 14 species of finches found on galapagos islands | they have different beaks for eating different foods |
| what is evolution | the process of change that can produce new species from existing species over time |
| Charles Darwin developed what theory | evolution |
| what is an adaptation | a trait that helps an organism to survive in it's envornment |
| know an example of the process of natural selection | pepper moths |
| wht is an idea of how dinosaurs became extinct | the earth ws hit by a large meteorite |
| how do living things become endangered | people can pollute the water, air, and soil, and it could kill the animals |
| fossils in rock layers | remains of organisms trapped in the rock layers formed fossils |
| how does the zookeeper know that two animals, one male and one female, are the same species | mate and produce young |
| how could a trait be a harmful variation | if a cat has short hair it cannot live in a cold climate |
| a modern species looks very much like an extinct species. which theory best explains observation? | the modern species evolved from what is now the extinct species |
| know how living things can adapt to changes in environment | the animal can shed or change color |