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Fish farming or pisciculture involves commercial breeding of fish, most often for food, in fish tanks or artificial enclosures such as fish ponds. It is a particular type of aquaculture , which is the controlled cultivation and harvesting of aquatic animals such as fish, crustaceans , molluscs and so on, in natural or pseudo-natural environments.
A genetically modified organism (GMO) is any organism whose genetic material has been altered using genetic engineering techniques.The exact definition of a genetically modified organism and what constitutes genetic engineering varies, with the most common being an organism altered in a way that "does not occur naturally by mating and/or natural recombination". [1]
[1]: 1 Various techniques were developed to aid in breeding and selection. Hybridization was one way rapid changes in an organism's genetic makeup could be introduced. Crop hybridization most likely first occurred when humans began growing genetically distinct individuals of related species in close proximity.
A variety of Sonic characters gathered. From left to right: Team Chaotix (Espio the Chameleon, Vector the Crocodile, Charmy Bee), Knuckles the Echidna, Silver the Hedgehog, Amy Rose, Doctor Eggman, Sonic the Hedgehog, Rouge the Bat, Miles "Tails" Prower, Big the Cat, Shadow the Hedgehog, Cheese the Chao, Cream the Rabbit, and Blaze the Cat.
Chicken is the most common type of poultry in the world. [3] Owing to the relative ease and low cost of raising chickens—in comparison to mammals such as cattle or hogs—chicken meat (commonly called just "chicken") and chicken eggs have become prevalent in numerous cuisines.
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