Across
- 1. To travel to warmer climates from one place to another
- 8. An animal with a backbone
- 10. Reduced period of activity during the summer
- 11. An area that is inhabited by a group or one animal.
- 18. Interaction between other animals of the same species
- 19. An organism at an early stage of development
- 21. An organism that feeds on other organisms.
- 22. When a fertilized egg cell divide's to form an embryo.
- 23. A group of tissue that carries out a special duty in the body
- 24. A group of lions
- 25. Muscle, nerve, and skin cells that form.
- 26. The internal control of an animal's natural cycles
- 27. Fixed objects that animals use to find its way
Down
- 2. They make up 95% of the animal species and have no backbone
- 3. Animals that eat other animals
- 4. Behavior that is inherited through genes
- 5. Ways that animals act
- 6. Behavior that is learned through experiences
- 7. Chemicals that are used to communicate and ants most likely use pheromones to communicate
- 9. A way of communication that uses the body
- 12. A signal that is used to tell another animal about something and it travels from one animal to another
- 13. Part of an organism breaks off and develops into a new organism
- 14. Animal cells that have a nucleus
- 15. A behavior that allows animals to find mates
- 16. A period of inactivity that lowers the body temperature that certain animals experience in the winter.
- 17. Animals that are eaten by animals.
- 20. Many cells in an animal
- 21. A biological that keeps track of daily cycles