Examples from the Web for heterogenesis
Differences between seasonal dimorphism and other cases of heterogenesis, 89.
Indeed, until it has been cleared up somewhat, it is not very evident what good Experimentation on Heterogenesis can do.The Philosophy of Natural Theology|William Jackson
The true status of the evolution hypothesis is really no higher than that of the hypothesis of heterogenesis.
In seasonal dimorphism the differences between the two generations are much less than in other cases of heterogenesis.