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Saving America's Wolves

apex predator an animal that hunts other animals for food but is not hunted itself; it is at the top of the food chain
conservation the protection of animals , plants, and natural resources
ecosystem everything within a certain environment, including plants, animals, and nonliving things like rocks and water
endangered at risk; in danger of becoming extinct
extinction the death of all members of a species
habitats the places where plants and animals naturally live
keystone species animals or plants that other parts of an ecosystem depend on
pack a group of animals that live and hunt together
predators animals that hunt other animals for food
prey to hunt and kill for food
species a group of animals or plants that are similar
stalk to follow quietly in an attempt to catch