PHEROMONES
\fˈɛɹəmˌə͡ʊnz], \fˈɛɹəmˌəʊnz], \f_ˈɛ_ɹ_ə_m_ˌəʊ_n_z]\
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Chemical substances which, when secreted by an individual into the environment, cause specific reactions in other individuals, usually of the same species. The substances relate only to multicellular organisms. This includes kairomones. Allomones are repellent pheromones.
By DataStellar Co., Ltd
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.