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The nutria (/ ˈ n juː t r i ə /) or coypu (/ ˈ k ɔɪ p uː /) (Myocastor coypus) [1] [2] is a herbivorous, [3] semiaquatic rodent from South America.Classified for a long time as the only member of the family Myocastoridae, [4] Myocastor has since been included within Echimyidae, the family of the spiny rats.
In biology, being semi-aquatic refers to various macro organisms that live regularly in both aquatic and terrestrial environments. When referring to animals , the term describes those that actively spend part of their daily time in water (in which case they can also be called amphibious ), or land animals that have spent at least one life ...
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The nutria is a semi-aquatic mammal native to South America. It first became internationally popular as a fur in the 1930s, when it was worn by Hollywood stars such as Greta Garbo . [ 1 ] It resembles beaver, with stiff guard hairs and a soft, short undercoat.
The limbs of semi-aquatic organisms are reserved for use on land and using them in water not only increases the cost of locomotion, but limits them to drag-based modes. [25] Although they are less efficient, drag swimmers are able to produce more thrust at low speeds than lift swimmers.
The relative importance of organisms varies with time and space, and looking at large databases may provide general insights into the problem. If different kinds of organisms occupy different types of network positions, then adjusting for this in food web modelling will result in more reliable predictions.
RSV can be confused with other viruses. RSV, respiratory syncytial virus, usually peaks in December and January while infecting the nose, throat and lungs, usually causing mild, cold-like symptoms ...
Aquaculture (less commonly spelled aquiculture [1]), also known as aquafarming, is the controlled cultivation ("farming") of aquatic organisms such as fish, crustaceans, mollusks, algae and other organisms of value such as aquatic plants (e.g. lotus).