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The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean.Adult sea otters typically weigh between 14 and 45 kg (30 and 100 lb), making them the heaviest members of the weasel family, but among [3] the smallest marine mammals.
Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids, detected by osmoreceptors, to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in solution which in this case is represented by body fluid) to keep the body fluids from becoming too diluted or concentrated.
North American river otters characteristically approach within a few feet of a boat or a person on shore due to their near-sightedness, a consequence of vision adapted for underwater sight. North American river otters have a transparent inner eyelid (called a nictitating membrane) to protect their eyes while swimming. [10] [23] [24]
On Friday, April 12th, she shared a video about a sea otter named Libby, who currently has baby fever. KP explains that Libby is going through an estrus cycle, a hormonal cycle that "tells her she ...
In the wild, sea otter rafts may be made up of just a few otters or over 100. However, 50 seems to be the typical raft size. But sometimes, massive rafts of over 200 otters and up to 1,000 ...
Diving reflex in a human baby. The diving reflex, also known as the diving response and mammalian diving reflex, is a set of physiological responses to immersion that overrides the basic homeostatic reflexes, and is found in all air-breathing vertebrates studied to date.
Otter 841, California's most ornery sea mammal, has returned to waters off Santa Cruz. Authorities warn surfers and swimmers to steer clear of the creature.
Osmoconformers are marine organisms that maintain an internal environment which is isotonic to their external environment. [1] This means that the osmotic pressure of the organism's cells is equal to the osmotic pressure of their surrounding environment.