Biodiversity

[,baɪə(ʊ)daɪ'vɜːsɪtɪ] or [,baɪodaɪ'vɝsəti]

Definition

(noun.) the diversity of plant and animal life in a particular habitat (or in the world as a whole); 'a high level of biodiversity is desirable'.

Checker: Valerie--From WordNet