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  2. Respiratory system of gastropods - Wikipedia

    en.wikipedia.org/wiki/Respiratory_system_of...

    The sea slug Pleurobranchaea meckelii respires using a gill which is visible in this view of the right side of the animal. In gastropods in many ancient lineages, the gills are bipectinate, having an overall shape that is similar to a bird's feather, with narrow filaments projecting either side of a central stalk.

  3. Gill - Wikipedia

    en.wikipedia.org/wiki/Gill

    Gills or gill-like organs, located in different parts of the body, are found in various groups of aquatic animals, including mollusks, crustaceans, insects, fish, and amphibians. Semiterrestrial marine animals such as crabs and mudskippers have gill chambers in which they store water, enabling them to use the dissolved oxygen when they are on land.

  4. Respiratory system - Wikipedia

    en.wikipedia.org/wiki/Respiratory_system

    The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary ...

  5. Mollusca - Wikipedia

    en.wikipedia.org/wiki/Mollusca

    Molluscus is used in classical Latin as an adjective only with nux (nut) to describe a particular type of soft nut. The use of mollusca in biological taxonomy by Jonston and later Linnaeus may have been influenced by Aristotle's τὰ μαλάκια ta malákia (the soft ones; < μαλακός malakós "soft"), which he applied inter alia to ...

  6. Cloaca - Wikipedia

    en.wikipedia.org/wiki/Cloaca

    Cloaca of a red-tailed hawk. A cloaca (/ k l oʊ ˈ eɪ k ə / ⓘ kloh-AY-kə), pl.: cloacae (/ k l oʊ ˈ eɪ s i / kloh-AY-see or / k l oʊ ˈ eɪ k i / kloh-AY-kee), or vent, is the rear orifice that serves as the only opening for the digestive (), reproductive, and urinary tracts (if present) of many vertebrate animals.

  7. Aquatic respiration - Wikipedia

    en.wikipedia.org/wiki/Aquatic_respiration

    In very small animals, plants and bacteria, simple diffusion of gaseous metabolites is sufficient for respiratory function and no special adaptations are found to aid respiration. Passive diffusion or active transport are also sufficient mechanisms for many larger aquatic animals such as many worms, jellyfish, sponges, bryozoans and similar ...

  8. Human uses of animals - Wikipedia

    en.wikipedia.org/wiki/Human_uses_of_animals

    Animals feature in many different roles in video games, ranging from background NPCs and basic enemies to the protagonist of a game, as in the 2022 game Stray. [66] Virtual pet video games, such as the Nintendogs series and the mobile game Neko Atsume, are a popular type of game where the player cares for a fictional pet, usually a dog or cat. [67]

  9. Anaerobic organism - Wikipedia

    en.wikipedia.org/wiki/Anaerobic_organism

    The ciliate achieves this through the use of fermentative metabolism. The rumen of various animals house this ciliate alongside many other anaerobic bacteria, protozoans, and fungi. [27] In specific, methanogenic archaea found in the rumen acts as a symbiont to anaerobic ciliates. [28]