commercial fishing — Introduction the taking of fish and other seafood and resources from oceans, rivers, and lakes for the purpose of marketing them. Fishing is one of the oldest employments of humankind. Ancient heaps of discarded mollusk shells (shell… … Universalium
Dusky shark — Conservation status … Wikipedia
reproductive behaviour — In animals, any activity directed toward perpetuation of a species. Sexual reproduction, the most common mode, occurs when a female s egg is fertilized by a male s sperm. The resulting unique combination of genes produces genetic variety that… … Universalium
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Sleep (non-human) — Sleep in non human animals refers to how the behavioral and physiological state of sleep, mainly characterized by reversible unconsciousness, non responsiveness to external stimuli, and motor passivity, appears in different categories of animals … Wikipedia
china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material … Universalium
China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast … Universalium
Philippines — /fil euh peenz , fil euh peenz /, n. (used with a pl. v.) an archipelago of 7083 islands in the Pacific, SE of China: formerly (1898 1946) under the guardianship of the U.S.; now an independent republic. 76,103,564; 114,830 sq. mi. (297,410 sq.… … Universalium
List of Swedish fish — List of fish encountered in Swedish waters; both fresh water (lakes and streams) and in the marine salt water. The table denotes species native to Sweden, as well as those introduced from a neighbouring country and those that are only occurred… … Wikipedia