bi·o·ce·no·sis 
(bī′ō-sĭ-nōsĭs)
(bī′ō-sĭ-nōsĭs)n. pl. bi·o·ce·no·ses (-sēz)
A group of interacting organisms that live in a particular habitat and form an ecological community.
- heterophyllous
- heterophylly
- heteroplastic
- heteroplasty
- heteroploid
- heteroploidy
- heteropteran
- heteropterous
- heterosexism
- heterosexist
- heterosexual
- heterosexuality
- heterosis
- heterosporous
- heterospory
- heterostyled
- heterostylous
- heterostyly
- heterotaxia
- heterotaxic
- heterotaxy
- heterothallic
- heterothallism
- heterotic
- heterotopia