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The word zooplankton is derived from Ancient Greek: ζῷον, romanized: zôion, lit. 'animal'; and πλᾰγκτός, planktós, 'wanderer; drifter'. [4] Zooplankton is a categorization spanning a range of organism sizes including small protozoans and large metazoans.
This is an accepted version of this page This is the latest accepted revision, reviewed on 24 November 2024. Organisms living in water or air that are drifters on the current or wind This article is about the marine organisms. For other uses, see Plankton (disambiguation). Marine microplankton and mesoplankton Part of the contents of one dip of a hand net. The image contains diverse planktonic ...
Many zooplankton are tiny animals found with the phytoplankton in oceanic surface waters, and include tiny crustaceans, and fish larvae and fry (recently hatched fish). Most zooplankton are filter feeders, and they use appendages to strain the phytoplankton in the water. Some larger zooplankton also feed on smaller zooplankton.
Finally, there are nekton (animals that can propel themselves, like fish, squids, and crabs), which are the largest and the most obvious animals in the photic zone, but their quantity is the smallest among all the groups. [4] Phytoplankton are microscopic plants living suspended in the water column that have little or no means of motility.
The most abundant zooplankton species are copepods and krill: tiny crustaceans that are the most numerous animals on Earth. Other types of zooplankton include jelly fish and the larvae of fish, marine worms, starfish, and other marine organisms". [63] In turn, the zooplankton are eaten by filter-feeding animals, including some seabirds, small ...
Other studies have found high concentrations of plastics in the area in which zooplankton accumulate, and these anthropogenic particles may resemble zooplankton and thus be taken up by animals ...
Zooplankton are tiny animals suspended in the water column. Like phytoplankton, these species have developed mechanisms that keep them from sinking to deeper waters, including drag-inducing body forms, and the active flicking of appendages (such as antennae or spines). [ 1 ]
Image credits: an1malpulse #5. Animal campaigners are calling for a ban on the public sale of fireworks after a baby red panda was thought to have died from stress related to the noise.