Sentence Examples


  • It is on the plankton that a great part of the higher animal life of the sea ultimately depends for food.
  • Therefore the animal organisms, as a rule, reproduce in the spring or early summer just after the vernal phyto-plankton maximum.
  • Depths greater than 2500 fathoms. Viewed as a whole this deposit may be taken as a partial precipitation of the plankton living in the upper waters of the open sea.
  • The organisms constituting this plankton are mostly unicellular, of ten aggregated together in colonies, and the remarkable structure which they exhibit has added a new chapter to the story of adaptation to environment.
  • All forms of plankton are more abundant in the shallow coastal waters of relatively low salinity.