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On average, captive animals (especially mammals) live longer than wild animals. This may be due to the fact that with proper treatment, captivity can provide refuge against diseases, competition with others of the same species and predators. Most notably, animals with shorter lifespans and faster growth rates benefit more from zoos than animals ...
Some Hydra species, like Hydra circumcincta and Hydra viridissima, are hermaphrodites [12] and may produce both testes and ovaries at the same time. Many members of the Hydrozoa go through a body change from a polyp to an adult form called a medusa , which is usually the life stage where sexual reproduction occurs, but Hydra do not progress ...
Hydra viridissima is a species of cnidarian which is commonly found in still or slow-moving freshwater [2] in the Northern temperate zone. Hydra viridissima is commonly called green hydra due to its coloration, which is due to the symbiotic green algae Chlorella vulgaris which live within its body. [ 3 ]
Hydra oligactis, also known as the brown hydra, is a species of hydra found widely dispersed in the northern temperate zone. It is a common organism found in still waters from early Spring to late Autumn. It is commonly found attached to the stems of water plants, the undersides of leaves, submerged twigs and on the surface of stones. When ...
Hydra oligactis. This species can reproduce in three ways: sexual reproduction, budding, and indirectly through regeneration. [11] When hydra reproduce sexually, simple testes, ovaries, or both will develop on the bodies of an individual. Sperm released into the environment by the testes enters the egg within the ovary.
The 18 new players for the 48th season of the reality series include a stunt performer, a pizzeria owner, and the first contestant with a speech impediment in the show's history.
Hydra (band), an American southern rock band in the 1970s; Hydra (E.P.), an E.P. by British ambient duo Main (band), 1991; Hydra, 2013; Hydra, an album by Satariel, 2005; Hydra, or the title song, 1979; Hydra (Within Temptation album), 2014; Hydra, an album by Iris, 2008 "Hydra", a song by Dir En Grey from Macabre, 2000 "Hydra", a song by ...
Humans are some of the best long distance runners in the animal kingdom; [6] some hunter gatherer tribes practice this form of hunting into the modern era. [7] [8] [9] Homo sapiens have the proportionally longest legs of all known human species, [3] [10] [11] but all members of genus Homo have cursorial (limbs adapted for running) adaptions not seen in more arboreal hominids such as ...