Phytoplanktonnoun
Plankton which obtain energy by photosynthesis
Phytoplanktonnoun
photosynthetic or plant constituent of plankton; mainly unicellular algae
Phytoplankton
Phytoplankton () are the autotrophic (self-feeding) components of the plankton community and a key part of ocean and freshwater ecosystems. The name comes from the Greek words φυτόν (phyton), meaning 'plant', and πλαγκτός (planktos), meaning 'wanderer' or 'drifter'.Phytoplankton obtain their energy through photosynthesis, as do trees and other plants on land.
Zooplanktonnoun
(zoology) Free-floating small protozoa, crustaceans (such as krill), etc. and the eggs and larvae from larger animals.
Zooplanktonnoun
animal constituent of plankton; mainly small crustaceans and fish larvae
Zooplankton
Zooplankton (, ) are heterotrophic (sometimes detritivorous) plankton (cf. phytoplankton).