Definition amphibian
WebWord Origin mid 17th cent. (in the sense ‘having two modes of existence or of doubtful nature’): from modern Latin amphibium ‘an amphibian’, from Greek amphibion (noun use of amphibios ‘living both in water and on land’, from amphi ‘both’ + bios ‘life’). WebFeb 25, 2024 · amphibian (plural amphibians) An animal of the Amphibia ; any four-legged vertebrate that does not have amniotic eggs, living both on land and in water. A vehicle which can operate on land and water.
Definition amphibian
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WebReproduction In Amphibian Definition Amphibians are animals that begin their life cycle by living in an aquatic environment where it uses gills for breathing and has a long tail. But once it matures into an adult, it develops lungs and legs making it … WebThe meaning of AMPHIBIAN is an amphibious organism; especially : any of a class (Amphibia) of cold-blooded vertebrates (such as frogs, toads, or salamanders) …
WebNov 29, 2024 · The cloaca, or vent, is an opening used for the excretory, intestinal, and reproductive tracts of amphibians. Urine leaves the body through the cloaca when the bladder is full. Nitrogenous wastes ... WebAn amphibian is a cold-blooded vertebrate animal that is born in water and breathes with gills. As the larva grows into its adult form, the animal's lungs develop the ability to …
WebJul 6, 2024 · Embryo Definition. An embryo refers to the early developmental stage of eukaryotic organisms following the fertilization of an egg (derived from a female) by sperm (derived from a male) as a method … WebAn amphibian is a vertebrate (an animal with a backbone). Amphibians are cold-blooded, which means that their body temperature changes with their surroundings. They spend …
WebOct 31, 2024 · The word amphibian means dual lives. You may have seen an amphibious car, one that drives on land and then heads straight into the water and functions like a boat. In the world of amphibians, this ...
WebJul 3, 2024 · Therefore, the amphibian definition can be phrased as cold-blooded vertebrates belonging to the class Amphibia. Amphibians have been recorded to be the first vertebrates to live on land. emsworth logisticsWebDefinition. Amphibians and reptiles are vertebrate poikilotherms which first appeared in the fossil record ∼400–350 Ma. Comparative studies indicate gross similarities in brain anatomy between amphibians/reptiles and mammals, with the exception that the former lack well-developed, multilayered neocortex. dr barshak infectious diseaseWebJan 6, 2024 · Although reptiles and amphibians are both cold-blooded vertebrates, there are significant differences in their characteristics and life cycles. Reptile eggs are fertilized internally and usually laid on dry land, while amphibian eggs are fertilized after being laid in water. Reptiles are born with lungs, while amphibians are born with gills for ... emsworth lock \\u0026 damWebDefinition. Amphibians and reptiles are vertebrate poikilotherms which first appeared in the fossil record ∼400–350 Ma. Comparative studies indicate gross similarities in brain anatomy between amphibians/reptiles and mammals, with the exception that the former lack well-developed, multilayered neocortex. emsworth locationWebAmphibians definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Look it up now! emsworth lock and dam usaceWebAbout Amphibians. Amphibians are small vertebrates that need water, or a moist environment, to survive. The species in this group include frogs, toads, salamanders, and newts. All can breathe and ... dr bar shlomo richmond bcWeb(in the sense ‘having two modes of existence or of doubtful nature’): from modern Latin amphibium ‘an amphibian’, from Greek amphibion (noun use of amphibios ‘living both in … emsworth lock and dam pittsburgh