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Across 4. any animal in the group of mammals that includes humans, apes, and monkeys; primates use their fingers and thumbs to hold objects. 5. a tunnel or hole in the ground made or used by an animal 7. a small animal with a hard outer shell, six legs, three body sections, and two antennae; most insects have wings. 8. to change to fit into a new or different environment 9. doing something to cause interest from another 12. the usual weather in a place 13. to join together to produce young 14. a place where a wild animal lives 15. a feeler on an animal's head 16. a tunnel or hole in the ground made or used by an animal 18. one of the four parts of the year; the seasons are spring, summer, fall, and winter. 19. a group of the same kind of animals that live together 21. an animal hunted by another animal for food

Down 1. a message or warning 2. the natural place and conditions in which a plant or animal lives 3. a hibernating animal that spends much of the winter in a sleeplike state and does not wake for weeks at a time 6. to break out of an egg 10. a feeler on an animal's head 11. to wave or flap rapidly 13. the male or female partner of a pair of animals 17. a smell 18. the smell or trail of an animal 20. a place where a wild animal lives