| A | B |
|---|
| ancestor | a person from whom one is descended or an early kind of animal from which later ones have developed |
| carnivore | a flesh eating animal |
| carnivorous | animals that eat meat |
| comprehend | to understand |
| duration | the time during which something lasts or continues |
| evident | easy to see and understand, obvious or clear |
| extinct | no longer existing or living |
| extinct | a volcano that is no longer active |
| ferocious | savage; fierce |
| gigantic | very large |
| obscure | to hide or cover up or keep from being seen |
| obscure | not easy to understand |
| option | choice or available to choose |
| premature | too early; happening or arriving before the proper time |
| preserve | to save or keep from harm |
| preserve | to keep from rotting or spoiling |
| prey | an animal that is hunted for food |
| prey | to take from or rob using violence or trickery |
| puny | weak or lacking in size or strength or power |
| survive | to stay alive where ther is a chance of dying or being killed |
