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Mate choice is a major component of sexual selection, another being intrasexual selection. Ideas on sexual selection were first introduced in 1871, by Charles Darwin, then expanded on by Ronald Fisher in 1915. At present, there are five sub mechanisms that explain how mate choice has evolved over time.
Active. 7plus (also stylised as 7+) is a video on demand, catch-up TV service run by the Seven Network. The service became available on 27 November 2017. 7plus also offers online live streaming of Channel 7, 7two, 7mate, 7Bravo, 7flix, Racing.com and 7Sport . 7plus is available across several platforms including Web, iOS and Android apps ...
7mate is an Australian free-to-air digital television multichannel, which was launched by the Seven Network on 25 September 2010. The channel contains sport and regular programs aimed primarily to a male audience, with programming drawn from a combination of new shows, American network shows and other shows previously aired on its sister channels Seven, 7two and 7flix.
summary. Thanks to its caffeine content, yerba mate can help increase your energy levels and boost your mental focus. 3. May enhance physical performance. Caffeine is also known to improve muscle ...
Salmon run. A grizzly bear ambushing a jumping salmon during an annual salmon run. A salmon run is an annual fish migration event where many salmonid species, which are typically hatched in fresh water and live most of the adult life downstream in the ocean, swim back against the stream to the upper reaches of rivers to spawn on the gravel beds ...
Upstream contamination. Particles can climb up the falling water while preparing a mate beverage. Upstream contamination by floating particles is a counterintuitive phenomenon in fluid dynamics. When pouring water from a higher container to a lower one, particles floating in the latter can climb upstream into the upper container.
The chief mate is the head of the deck department on a merchant's vessel, second-in-command after the ship's master. The chief mate's primary responsibilities are the vessel's cargo operations, its stability, and supervising the deck crew. The mate is responsible for the safety and security of the ship, as well as the welfare of the crew on board.
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