Chapter 36: Reading Worksheet........................Name ________________________________
Section 36-1: The Mammalian Body

1. Mammals Share _______ Key Characteristics. What are they?
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________

2. What exceptional ability does the mammalian kidney have?
________________________________________________
3. The primary function of hair is ____________________
4. Hair is adapted in some animals for defense. Describe an animal that uses hair for defense. _______________________________________________
5. Mammals Have Diverse, Specialized _________________
6. Unlike other vertebrates, mammals only have ___________ sets of teeth.
7. Match the tooth to its function

____ Incisors____ Molars____Canines a. grindingb. biting and cuttingc. stabbing and holding
8. It is possible to determine a mammals diet by examining its _____________
9. Compare the molars of a carnivore to the molars of a herbivore.
_____________________________________________________________
_____________________________________________________________
10. What type of mammal would this skull belong to:

_______________________

11. Mammals Maintain a High ________________________________
12. What are some advantages of endothermy?
_____________________________________________________________
13. Respiration in mammals is aided by the ________________________
14. What happens when the diaphragm contracts?
_____________________________________________________________
15. Mammals have a ________ chambered heart.

"Up Close: Grizzly Bear"

16. What is the scientific name for the grizzly bear? ____________________
17. What does a grizzly bear eat? _________________________________
18. Why is the bear called a "grizzly" bear? __________________________
19. Grizzly bears rely primarily on what sense? _______________________
20. When are bear cubs born? ______________________

21. Mammals _____________ and _______________ for their Young
22. What is weaning? ___________________________________________
What group of mammals have the longest period of dependency on their
parents? ____________________

Section 36-2: Today's Mammals

23. Mammals Have the Most Diverse _______________ of All Vertebrates.
24. What do bats and whales have in common? ____________________
_____________________________________________________________
25. Mammals ________________ in One of Three Ways
26. What are the three groups present day mammals are divided into?
_____________________________________________________________
27. The most primitive group of mammals is the ______________________
28. Give two examples of monotremes: _____________________________
29. Name two ways the monotreme is like a bird.
_____________________________________________________________
30. How does a baby platypus get milk from its mother?
_____________________________________________________________
31. Name four marsupials: _______________________________________
32. Describe the development of a marsupial.
_____________________________________________________________
_____________________________________________________________
33. What is the placenta? _______________________________________
_____________________________________________________________
34. The period of time between fertilization and birth is the _________________
35. What is keratin? _____________________________________________
36. What does a deer use his antlers for? ______________________________
37. Give four examples of domestic mammals: __________________________
38. Where do mules come from? ______________________________
39. Most of Today's Mammals Are _______________________
40. List the 12 orders of Mammals and give an example of each.