The winter egg may be taken as the beginning of the life cycle of the phylloxera.
It is believed that in some cases the life cycle lasts two years.
The introductory pages give the life cycle of a plant from seed to seed.
It's the next step in their life cycle that makes them a nuisance.
Thus the life cycle is completed in about twenty-eight days.
The teeth must have instantly sunk in, for it hung unsupported—another link in the Disan life cycle.
"The Flimbotzik were telling Harkaway about their own life cycle," Iversen whispered as revelation bathed him in its murky light.
Myth and ritual responded to natural rhythms and incorporated these in the life cycle.
For such animals the completion of the life cycle ends the life-history also.
The early plants were tied, and most lowly plants to-day are tied, by the conditions of their life cycle, to water.