![]() ![]() ![]() They argue that the money would be better spent on trying to save currently endangered species before they become extinct. Opponents of de-extinction point out that the process can cost tens of millions of dollars. You’re talking about animals that weigh 4 or 5 tons.” “The other thing is, where are you going to put them? You’re not talking about rats. He is a biologist at the American Museum of Natural History in New York City. ![]() “They’d have to bring back millions of woolly mammoths, and it would take centuries for any positive changes to occur,” says Ross MacPhee. Many scientists also say bringing back a version of the mammoth is not likely to affect climate change. They say placing a new version of an extinct species into an ecosystem could hurt other animals. Other experts believe de-extinction could harm the environment, not help it. They fear the new species might not survive. Many worry the new animals could suffer from serious health problems and will be subject to constant testing. Some say creating a hybrid like this is a cruel experiment. Scientists point out that the new creature won't actually be a woolly mammoth-it will be a mix of mammoth and elephant. “We need new ideas before we lose a species for good.” “We have to think outside the box,” Hysolli says. She believes her team’s efforts could protect animals in danger of disappearing. Eriona Hysolli is the head biologist at Colossal. They argue that the technology could be used to change the DNA of other animals to make them stronger and better able to fight diseases. Supporters of de-extinction say it could also save endangered species. Some scientists say bringing back mammoths can reverse that. That released greenhouse gases and warmed the Arctic. Without mammoths, snow covered the permafrost, which warmed. That allowed air to reach the frozen soil beneath, called permafrost. The Colossal team says bringing mammoths back could boost biodiversity.Ĭolossal also aims to prevent climate change. That means they had a big impact on their ecosystem. Mammoths were a keystone species in the Arctic. Many experts believe bringing back mammoths would be a conservation victory. “We need new ideas before we lose a species for good.” “We have to think outside the box,” Hysolli says. Supporters of de-extinction say the process could also save endangered species. They argue that the technology could be used to change the DNA of other animals to make them stronger and better able to fight diseases. ![]() Without the beasts, snow blanketed the permafrost, which warmed. Mammoths scraped away snow, allowing air to reach the frozen soil beneath, called permafrost. The Colossal team says reintroducing mammoths could greatly boost biodiversity.Ĭolossal also aims to prevent climate change. Mammoths were a keystone species in the Arctic, meaning they had a major impact on their ecosystem. Many experts believe bringing back mammoths would be one of the greatest conservation victories of all time. ![]()
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