Animals and Behavior

3. part of an organism breaks off and develops into a new organism
4. have a nucleus
7. a group of lions
9. things that animals do
10. 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. transfer of a signal or message from one animal to another that results in some type of response
17. animals that eat other animals
19. made of many cells
20. inherited behavior that does not depend on environment or experience
21. behavior that has been learned from experience
23. internal control of an animals natural cycles
25. an animal without a backbone
27. a group of tissues that carry out a special function of the body
28. an organism that eats other organisms or organic matter

1. daily cycles that some biological clocks keep track of
2. special behaviors that help animals find a mate
5. area that is occupied by one animal or a group of animals that do not allow members of the species to enter
6. animal being eaten
8. visual communication
11. collections of similar cells
12. cells develop into different kinds of cells
13. interaction between animals of the same species
14. an animal with a backbone
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. substance that is released by the body and that causes another individual of the same species to react in a predictable way
22. travel from one place to another
24. fixed objects that an animal uses to find its way
26. a plant or animal at an early stage of development