| 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. No longer active. |
| 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 or arriving before the proper time. |
| preserve | To save; to keep from harm; to protect. |
| prey | An animal that is hunted for food. One that is helpless or unable to resist attack; a victim. To hunt 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. |
