Phenomenon of inhibition of growth of one species by other species through secretion of certain chemicals is termed as

Phenomenon of inhibition of growth of one species by other species through secretion of some chemicals is termed as ____________

The interaction in which one species is inhibited by toxic secretion of other species is called

The phenomenon in which one species inhibits the growth another species is called :

The phenomenon of having higher number of species in ecotone is called

Who introduced the term species?