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Hibernation is a state of minimal activity and metabolic depression undergone by some animal species. Hibernation is a seasonal heterothermy characterized by low body-temperature, slow breathing and heart-rate, and low metabolic rate. It is most commonly used to pass through winter months – called overwintering.
Aestivation (Latin: aestas (summer); also spelled estivation in American English) is a state of animal dormancy, similar to hibernation, although taking place in the summer rather than the winter. Aestivation is characterized by inactivity and a lowered metabolic rate, that is entered in response to high temperatures and arid conditions. [ 1 ]
Overwintering is the process by which some organisms pass through or wait out the winter season, or pass through that period of the year when "winter" conditions (cold or sub-zero temperatures, ice, snow, limited food supplies) make normal activity or even survival difficult or near impossible. In some cases "winter" is characterized not ...
By the time infants reach the age of two, their brain size has reached 90 percent of an adult-sized brain; [86] a majority of this brain growth has occurred during the period of life with the highest rate of sleep. The hours that children spend asleep influence their ability to perform on cognitive tasks.
The western malaria mosquito overwinters as adults, traveling between multiple human structures throughout the winter. [37] [38] Other methods of hibernation include the inhabitance of bark, where insects nest more toward the southern side of the tree for heat provided by the sun. Cocoons, galls, and parasitism are also common methods of ...
Activity levels of diapausing stages can vary considerably among species. Diapause may occur in a completely immobile stage, such as the pupae and eggs, or it may occur in very active stages that undergo extensive migrations, such as the adult monarch butterfly, Danaus plexippus. In cases where the insect remains active, feeding is reduced and ...
A time sink is an enjoyable but time-wasting activity. Some parents call video games a waste of time, while some introverts call parties a waste of time, making the term highly subjective; even sleeping could be considered a time sink. Some time sinks become popular and are therefore not as commonly referred to as a time sink.
Failure to launch: A term referring to a young adult who has not yet met the societal standards of their culture for being a typical adult, such as going to university, moving to their own residence or getting a job. Fogey: An old man who has old-fashioned or conservative interests and tastes. Fuddy-duddy: [19] A silly or foolish old man.