| A | B |
|---|
| ancestor | A person from whom one is descended; an early kind of animal from which later ones have developed |
| carnivore (n.) | (n.) A flesh-eating animal |
| comprehend (v.) | (v.) 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| extinct | No longer existing or living; no longer active |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 (adj.) | (adj.) Savage; fierce |
| gigantic | Very large; like a giant in size |
| obscure | (v.) To cover up or keep from being seen (adj.) Hard to see; hidden; not easy to understand |
| option (n.) | (n.) 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; to keep from rotting or spoiling |
| prey | (n.) An animal that is hunted for food; one that is helpless or unable to resist attack; victim (v.) To hunt; to take from using violence or trickery |
| puny | Weak; lacking in size, strength, power |
| survive (v.) | (v.) To stay alive where there is a chance of dying or being killed; to continue living |
| comprehension (n.) | (n.) The act of understanding; the ability to understand |
| carnivorous (adj.) | (adj.) Flesh-eating |
| survivor (n.) | (n.) One who stays alive while the others die |
| optional (adj.) | (adj.) Left to choice |
| ferocity (n.) | (n.) The state or quality of being fierce |
