| A | B |
| bar graph | A graph that uses vertical or horizontal bars to show data. |
| adaptations | Traits that help an organism meet their basic needs and survive in their surroundings. |
| structural adaptation | An adaptation of an organism's body parts or its coloring. |
| mimicry | An adaptaton in which one species resembles another. |
| behavioral adaptation | An inherited behavior that helps an organism survive. |
| fossil | Any remains or trace of an organism that was was alive. |
| mold | A fossil that is a hollow place shaped like an organism. |
| cast | A fossil formed by sediments filling up a mold. |
| petrified fossil | A fossil formed when minerals slowly replace some or all of an organism, turning it to stone. |