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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.
Insects draw air into their bodies through spiracles, holes found along the sides of the abdomen. These spiracles are connected to tracheal tubes where oxygen can be absorbed. All aquatic insects have become adapted to their environment with the specialization of these structures Aquatic adaptations. Simple diffusion over a relatively thin ...
Jellyfish are easy to capture and digest and may be more important as food sources than was previously thought. [25] Together, phytoplankton and zooplankton make up most of the plankton in the sea. Plankton is the term applied to any small drifting organisms that float in the sea (Greek planktos = wanderer or drifter). By definition, organisms ...
With its big, round eyes and soft, fluffy fur, this squirrel is irresistibly cute. Its small paws and puffy tail make it look like a living plush toy, while its gliding membrane allows it to ...
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 ...
Zooplankton and salps play a large role in the active transport of fecal pellets. 15–50% of zooplankton biomass is estimated to migrate, accounting for the transport of 5–45% of particulate organic nitrogen to depth. [63] Salps are large gelatinous plankton that can vertically migrate 800 metres and eat large amounts of food at the surface.
Bryozoa (also known as the Polyzoa, Ectoprocta or commonly as moss animals) [6] are a phylum of simple, aquatic invertebrate animals, nearly all living in sedentary colonies. Typically about 0.5 millimetres ( 1 ⁄ 64 in) long, they have a special feeding structure called a lophophore , a "crown" of tentacles used for filter feeding .
This fish feeds upon the larvae of invertebrates, zooplankton (such as copepods and shrimp larvae), pelagic tunicates, smaller fish, crustaceans, and various species of algae (both benthic and pelagic). [2] [4] It is also known to feed on the waste and vomit of spinner dolphins. [2]