cub: a young carnivorous animal, such as a bear or a lion.

endangered species: a type of animal or plant that is in danger of becoming extinct.

extinction: when a type of animal or plant has died out forever.

habitat: the kind of place in which an organism lives; not a specific geographical location.

herbivore: an animal that feeds only on plants.

hibernation: a condition in certain animals during winter in which they become inactive and sleep for many months.

omnivore: a creature that eats both plants and other animals.

ursine: bear-like, or relating to a bear.