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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 ]
Aestivation, also spelled estivation, is an example of consequential dormancy in response to very hot or dry conditions. It is common in invertebrates such as the garden snail and worm but also occurs in other animals such as lungfish, salamanders, desert tortoises, and crocodiles.
But the Antarctic yellowbelly rockcod (Notothenia coriiceps), as well as fish that undergo winter dormancy in hypoxic conditions, do suppress their metabolism like other animals that are dormant in the winter. [58] [59] The mechanism for evolution of metabolic suppression in fish is unknown. Most fish that are dormant in the winters save enough ...
Japanese macaques can survive in cold temperatures of below −15°C (5°F), and are among very few primates that can do so. Chionophiles are any organisms ( animals , plants , fungi , etc.) that can thrive in cold winter conditions (the word is derived from the Greek word chion meaning " snow ", and -phile meaning "lover").
As you can see, our resident animals adapt and change for the winter season. Therefore, they fit Meggison’s and Darwin’s rules/statements and we can expect many of them to successfully survive ...
Vital articles is a list of subjects for which Wikipedia should have corresponding high-quality articles. It serves as a centralized watchlist to track the status of Wikipedia's most essential articles.
A dragonfly in its radical final moult, metamorphosing from an aquatic nymph to a winged adult.. In biology, moulting (British English), or molting (American English), also known as sloughing, shedding, or in many invertebrates, ecdysis, is a process by which an animal casts off parts of its body to serve some beneficial purpose, either at specific times of the year, or at specific points in ...
In the winter in the northern hemisphere the sun is lowest in the sky on the solstice. At the equator the sun will be about 23.5 degrees south of directly overhead.