planktons

Tiny sea floaters

Planktons is the plural of plankton, the tiny organisms—both plant-like (phytoplankton) and animal-like (zooplankton)—that drift in bodies of water.

Since plankton already functions as a collective noun, planktons appears mainly when distinguishing types or species: Different planktons dominate at different ocean depths.

marine

diatoms

Single-celled silica algae

  • algaePrimitive aquatic photosynthesizers
  • copepodsMinute aquatic crustaceans
  • krillSmall marine crustaceans

cyanobacteria · larvae · jellyfish · ocean · sea · drift · currents · tides · surface · bloom

ecological

food chain

Ecological feeding hierarchy

oxygen · biomass · fish food · filter feeders · baleen · biodiversity · productivity · sequestration · climate regulation · oceanic

environmental

bloom

Flower or flourishing state

pollution · climate change · warming · acidification · decline · health · monitoring · hypoxia · dead zone · overfishing

scientific

microscope

Instrument for viewing minute objects

  • sampleSubset for study
  • netFinal amount remaining
  • towPull something behind

collection · species · classification · taxonomy · study · research · laboratory · slide · chlorophyll · bioluminescence

Opposites
locomotion/mobility

planktonsnekton

Self-propelling aquatic organisms

swimmers · fish · dolphins · sharks · squid

ecological role in aquatic food web

planktonsapex predators

Dominant hunters, no natural enemies

whales · sharks · orcas · megafauna

size/visibility

planktonsmegafauna

Species over 44 kilograms

whales · giant squid · leviathans · blue whale · great white shark

Phrases
Family

plankton, zooplankton, phytoplankton

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G