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Several otter species live in cold waters and have high metabolic rates to help keep them warm. Eurasian otters must eat 15% of their body weight each day, and sea otters 20 to 25%, depending on the temperature. In water as warm as 10 °C (50 °F), an otter needs to catch 100 g (3.5 oz) of fish per hour to survive.
Quizlet was founded in 2005 by Andrew Sutherland as a studying tool to aid in memorization for his French class, which he claimed to have "aced". [ 6 ] [ 7 ] [ 8 ] In to an AMA on Reddit, Sutherland said in the "first year and a half" he was "just playing around with it", but that he decided to make it public after convincing ~100 people to try ...
The math test is weighted more heavily, with 35 questions worth approximately 28.6 points per question. Until 2013, the Super Quiz written test contained 40 questions, each worth 15 points. Depending on the state director, the relay component of Super Quiz contained either 5 or 10 questions, each worth 80 or 40 points respectively.
Sthenictis sp. (American Museum of Natural History). Mustelids vary greatly in size and behaviour. The smaller variants of the least weasel can be under 20 cm (8 in) in length, while the giant otter of Amazonian South America can measure up to 1.7 m (5 ft 7 in) and sea otters can exceed 45 kg (99 lb) in weight.
Hermann Ebbinghaus began the scientific study of human memory with this treatise On Memory in 1885. [2] Ebbinghaus experimented on himself by testing his own ability to memorize lists of randomly arranged syllables presented at a regular pace of 2.5 syllables per second.
Rosa was adopted by the Monterey Bay Aquarium in 1999 and served as surrogate mother for a record 15 otters. She outlived the life expectancy for wild southern sea otters.
Pelagic (midwater) otter trawl. 1: trawl warp, 2: otter boards, 3: longline chains, 4 hunter, 5: weights 6: headline with floats, 7: pre-net, 8: tunnel and belly, 9: codend. The body of the trawl is funnel-like, wide at its "mouth" and narrowing towards the cod end, and usually is fitted with wings of netting on both sides of the mouth.
The Asian small-clawed otter is the smallest otter species in Asia. In head-to-body length, it ranges from 470 to 610 mm (18.4 to 24 in) with a 260 to 350 mm (10.2 to 13.6 in) long tail . The tapering tail is thick and muscular, especially at the base, and more than half the length of the body.