animal and behavior

3. a substance that is released by the body and that causes another individual of the same species to react in a predictable way
5. animals have a special behavior that help them find a mate
8. are fixed objects that an animal uses to find its way
12. a period of inactivity and lowered body temperature that some animals undergo in summer as a protection against hot weather and lack of food
15. the interaction between animals of the same species
16. a period of inactivity and lowered body temperature that some animals undergo in winter as a protection against cold weather and lack of food
18. means they are made of many cells
19. is to travel to one place to another
21. means that they have a nucleus
22. a plant or animal in the early stage of development
23. Animals run from enemies, search for food, battle for territory, and build homes. All of these activities are known as ____
25. lions live in groups called
26. behavior Behavior that doesn't depend on learning or experience

1. an organism that eats other organisms or organic matter
2. sending a visual message with our bodies is
4. is a group of tissues that carry out a special function of the body
5. a signal must travel from one animal to another and the receiver of the signal must respond in some way
6. the animal that is being eaten is
7. a animal that does have a back bone
9. The internal control of an animal's natural cycles is called
10. a biological daily cycle
11. is an area that is occupied by one animal or by a group of animals that do not allow other members of the species to enter
13. a animal with no back bone
14. When a fertilized egg cell divides into many cells to form an embryo the cells undergo ____
17. Animals that eat other animals are known as
20. part of an organism breaks off and develops into a new organism
24. behavior is a behavior that has been learned from experience or from observing other animals