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发表于 2025-2-11 14:34
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New research published today in Current Biology describes this incredible feat of autotomy, or self-amputation. Its worth mentioning that the bodies do not generate new heads. The discovery was made in Yoichi Yusas la stanley cup b at Nara Womens University in Japan, which cultures sea slugs from eggs to adulthood across generations to better understand these slimy creatures. https://gizmodo/confirmation-that-photosynthesizing-sea-slugs-steal-gen-1683702602 Sayaka Mitoh, a biologist at the university and lead author of the recent paper, stumbled upon the slugs well-intentioned self-dismemberment when she came across an individual in the lab whose head was no longer connected to its frilled, pickle-colored body. But its head was still moving. We had not thought they would perform such an unusual autotomy, Mitoh said in an email. This finding was completely a serendipity. Once the team found one self-severed individual, they went about investigating why, and precisely how, that breakage stanley cup occurred. These observations included attempts to induce a self-beheading, by imitating the sort of cursory nips a marine predator would make on the slug in the wild perhaps, they guessed, the slug parting with its body was similar to a fighter jet pilot using an ejector seat . The researchers also tied a nylon cord around stanley cup where the slugs head met its body, where it seemed the slug was predisposed to make the corporeal-cranial split. They did this lightly enough, more akin to a too-tight necktie than Nxwv Amazon Has an Exploding Product Problem
are critically endangered, with just 75 known animals left. Now, advocates worry the Trudeau governments plan to purchase the Trans Mountain Expansion Project may push the whales to the edge of extinction. Southern Resident killer whales are acoustically, culturally, and genetically distinct from other orca populations. While they can be found from California to southern Alaska, they generally spend May through the fall in the inland waters of British Columbia and Washington state. Known as the Salish Sea, its one of the worlds busiest shipping routes, a reality thats considered one of the biggest threats to the population, which has remained small and vulnerable for decades despite receiving federal protection in 2005. And the Salish Sea is about to get busier. The Trans Mountain expansion, which is the twinning of an existing oil pipeline that carries diluted bitumen from the Alberta tar sands to British Columbias shores, is expected to cause the number of oil tankers passing through these waters to jump fr stanley cup becher om around the 60 that annually service the existing pipeline to over 4 stanley uk 00. The ships go exactly where the whales go, Misty MacDuffee, marine biologist and the Wild Salmon Program Director for B.C.s Raincoast Conservation Foundation, told Earther. Earlier this spring, i stanley taza t looked like the whales might receive a reprieve from the increased noise, shipping traffic, and possible marine oil spills associated with the project. In April Kinder Morgan, the Texas-based company |
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