| A | B |
|---|
| ancestor | a person from whom one is descended; an early kind of animal from which later ones have developed; a forerunner |
| carnivore | a flesh-eating animal |
| comprehend | to understand |
| duration | the time during which something lasts or continues |
| evident | easy to see and understand; obvious, clear |
| extinct | no longer existing or living |
| ferocious | savage; fierce |
| gigantic | very large; like a giant in size |
| obscure | to cover up or keep from being seen |
| option | choice, or something that is available as a choice |
| premature | too early; happening before the proper time |
| preserve | to save; to keep from harm; to protect; to keep from rotting or spoiling |
| prey | an animal that is hunted for food; to hunt (animals) for food |
| puny | weak; lacking in size, strength, or power |
| survive | to stay alive where there is a chance of dying or being killed; to continue living or existing through a threatening situation |
