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Há 3 horas · List of cattle breeds. Over 1000 breeds of cattle are recognized worldwide, some of which adapted to the local climate, others which were bred by humans for specialized uses. [1] Cattle breeds fall into two main types, which are regarded as either two closely related species, or two subspecies of one species. Bos indicus (or Bos taurus indicus ...
Há 3 horas · Tiger. The tiger ( Panthera tigris) is the largest living cat species and a member of the genus Panthera native to Asia. It has a powerful, muscular body with a large head and paws, a long tail, and orange fur with black, mostly vertical stripes.
Há 3 horas · Domestication (not to be confused with the taming of an individual animal [3] [4] [5] ), is from the Latin domesticus, 'belonging to the house'. [6] The term remained loosely defined until the 21st century, when the American archaeologist Melinda A. Zeder defined it as a long-term relationship in which humans take over control and care of ...
Há 1 dia · Many types of pleasurable experiences—such as sexual intercourse, eating, and playing video games—increase dopamine release. All addictive drugs directly or indirectly affect dopamine neurotransmission in the nucleus accumbens; [6] [67] these drugs increase drug "wanting", leading to compulsive drug use, when repeatedly taken in high doses, presumably through the sensitization of incentive ...
Há 3 horas · Diabetes mellitus, often known simply as diabetes, is a group of common endocrine diseases characterized by sustained high blood sugar levels. [10] [11] Diabetes is due to either the pancreas not producing enough insulin, or the cells of the body becoming unresponsive to the hormone's effects. [12] Classic symptoms include thirst, polyuria ...
Há 1 dia · Moscow has issued a warning to the US after Joe Biden approved the use of its weapons to strike inside Russia. Meanwhile, Ukraine claims the Russian military has had 1,270 casualties in the past ...
Há 1 dia · Emotion is also studied in non-human animals in ethology, a branch of zoology which focuses on the scientific study of animal behavior. Ethology is a combination of laboratory and field science, with strong ties to ecology and evolution. Ethologists often study one type of behavior (for example, aggression) in a number of unrelated animals.
