Group 1, Cutting down trees to build houses takes away the places animals live and hide., Factories putting toxic chemicals into the air and water makes animals get sick., When their homes are destroyed, animals can't find the plants or other animals they need to eat., As the human population grows, we take up more and more space that used to belong to the animals., Group 2, People hunted too many gray wolves because they were scared or wanted to protect their farm animals., Many people think wolves are villains in stories, which makes them want to hunt them even though wolves usually leave people alone., When an animal is taken off the "safe list," it means people can legally hunt them again, and they might become endangered all over again..

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