Definition of «plankton»

Plankton refers to a diverse group of small organisms that live in water. These include bacteria, algae, protozoa and other microscopic creatures, as well as larger organisms such as jellyfish or crustaceans. Plankton are generally passive drifters, meaning they float along with the current rather than actively swimming against it. They play a crucial role in marine ecosystems by forming the base of the food chain and providing sustenance for larger organisms such as fish and whales.

Usage examples

  1. Plankton form the base of the marine food chain, providing nutrients for larger organisms such as fish, whales, and sharks.
  2. Phytoplankton, a type of plankton, are responsible for approximately half of the world's oxygen production through photosynthesis.
  3. Plankton populations are highly susceptible to changes in temperature, pollution, and ocean acidification, making them important indicators of ecosystem health.
  4. Some species of plankton, like dinoflagellates, can produce bioluminescence, creating glowing displays in the ocean at night.
  5. Plankton can be divided into two main categories: phytoplankton, consisting of microscopic plants, and zooplankton, which are tiny animals that feed on phytoplankton.
  6. Despite their small size, plankton are incredibly diverse, with thousands of different species found in both freshwater and marine environments.
  7. Plankton is not only found in oceans but also in lakes, ponds, and rivers, playing a crucial role in freshwater ecosystems as well.
  8. Research on plankton can help scientists understand and predict the impact of climate change on marine and freshwater systems.
  9. Plankton blooms, which occur when their population rapidly increases, can have both positive and negative effects on ecosystems, such as harmful algal blooms causing fish kills and red tides.
  10. The study of plankton has led to the discovery of numerous compounds with potential pharmaceutical and industrial applications, such as anti-cancer drugs and biofuels.

Sentences with «plankton»

  • «These upwellings follow natural cycles,» says McCarthy, «which is why there are seasonal blooms of plankton in different places near ocean - circulation features. (harvardmagazine.com)
  • The team studied whale sharks as the animals gathered en masse to dine on plankton blooms in the Gulf of Mexico and Caribbean Sea waters near Isla Holbox, Mexico, to feed from May to September. (cas.usf.edu)
  • From that point on, our worldview has been steadily enriched, as ever more expeditions, satellites, and sensors have been lofted into space or deposited in the oceans to study, photograph, and measure everything from plankton blooms to urban sprawl. (dotearth.blogs.nytimes.com)
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