captivity - a state of confinement or controlled environment, carnivore - meat-eating animal, herbivore - plant-eating animal, ecosystem - the complex of a community and its environment functioning as an ecological unit in nature, endangered - a species in immediate danger of extinction, environment - the surroundings in which plants and animals live, extinct - no longer living on earth, extinction - the dying out of all members of a plant or animal species, fauna - animal life, flora - plant life, habitat - the natural environment (home) of a plant or animal, omnivore - an animal which eats both plants and animals, pesticides - chemicals used to kill various pests, pollution - that which causes the environment to become unclean or unsafe, reserve - an area of land set aside for the protection of plants and animals, species - a group of animals which have similar characteristics, threatened - a species which is likely to become endangered and is protected by law,

Endangered species

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恢復自動保存: ?