study of ideas about the fundamental nature of life

to be seen, become visible; come into sight

To show the teeth because you are amused ; smile

not many; small in number

person who can vote in an election

To end the life of a person or other living thing

Without the aid of someone or something

scientific theory that states that plants and animals change slowly over time according to the environments they live in

Land used for growing crops or raising animals

With certainty; definitely