Gills zoology definition
WebFISH. Fish are a group of aquatic animals with skulls, gills and digitless limbs. They are separated into four groups: cartilaginous fish (such as sharks and rays), bony fish, jawless fish, and hagfish. Living in water presents a number of problems such as maintaining salt concentrations and neutral buoyancy and this group of animals has evolved a number of … WebAlso called lamellibranch. Zoology. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills. …
Gills zoology definition
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Web1. Zoology The respiratory organ of most aquatic animals that obtain oxygen from water, consisting of a filamentous structure of vascular membranes across which … WebSep 19, 2009 · The main function of gill filaments is to extract oxygen from water. They also excrete carbon dioxide and this is how fish can essentially breathe underwater. Wiki User. ∙ 2014-07-09 20:29:56 ...
WebAug 27, 2024 · 1. A young woman; a sweetheart; a flirting or wanton girl. Each jack with his gill. 2. (Science: botany) The ground ivy (nepeta Glechoma); called also gill over the … WebTeleost fishes are living both in marine and freshwater. Both types of fishes maintain their osmotic concentration at about the quarter to one-third the level in sea-water (Table 8.9). There is another type of fish, which roams …
Webgill 1 (gĭl) n. 1. Zoology The respiratory organ of most aquatic animals that obtain oxygen from water, consisting of a filamentous structure of vascular membranes across which … Webgill slit (gĭl) n. 1. One of several narrow external openings connecting with the pharynx, characteristic of sharks and related fishes, through which water passes to the exterior, thereby bathing the gills. Also called branchial cleft, gill cleft. 2. Embryology One of several rudimentary invaginations in the surface of the embryo, present during ...
WebDefinition of gill : a British imperial capacity unit (liquid or dry) equal to 5 fluid ounces or 142.066 cubic centimeters - a United States liquid unit equal to 4 fluid ounces - any of …
Webgill. (gĭl) n. Zoology The respiratory organ of most aquatic animals that obtain oxygen from water, consisting of a filamentous structure of vascular membranes across which … henik etykietaWebA gill is the body part that helps a fish breathe underwater. In fish and other aquatic creatures, their gills are equivalent to our lungs. Fish and some amphibians need to … henick \u0026 ylvisakerWebcaudal gill See TRACHEAL GILL. Source for information on caudal gill: A Dictionary of Zoology dictionary. heniiWebNov 12, 2009 · Gill slits may contain the gills and be used for gas exchange, as in most fish, but may also be used for filter-feeding, or may be highly modified in land-dwelling vertebrates. gnathobase -- The expanded and hardened base of the appendage of many arthropods, notably trilobites , crustaceans , and marine cheliceramorphs . heniff joliet ilWebPisces. Pisces are permanently aquatic vertebrates that has gills for respiration. They are devoid of the true spine. Fishes may be present in fresh, marine, and brackish water. The organs for locomotion in fishes are fins. However, fins are sometimes paired or unpaired. The study of fishes is ichthyology. heni kirkeWebaxolotl, (Ambystoma mexicanum), salamander of the family Ambystomatidae (order Caudata), notable for its permanent retention of larval features, such as external gills. The species is found only in Lake Xochimilco, within Mexico City, where it is classified as a critically endangered species. The name axolotl is also applied to any full-grown larva of … heni levistanWebGill filament definition, one of the threadlike processes forming the respiratory surface of a gill. See more. heni jobs