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Practice Exam 2
1. The embryonic layer that will eventually form the muscles of the adult is the
A. musclederm.
B. mesoderm.
C. endoderm.
D. ectoderm.
2. Electrical is too nervous, as ? is too endocrine
A. chemical
C. phospholipid
B. signal
D. gland
3. (2) Cite the animal body systems designed to move substances through the body?
4. (2) Cite the animal body systems designed to move the entire animal body?
5. (2) Cite the animal body systems designed to protect the body from unwanted entry?
6. (2) Cite two examples of respiration strategies seen in animals?
7. (2) Classify a chordate animal as per body cavity type and symmetry?
8. (2) What would you tell someone if they accused you of being a deuterostomic ecdyzoan?
9. (4) Cite and explain two reasons why nutrition is important in animals?
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Practice Exam 2
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10. (10) Match the statements in column B with the phyla in column A.
. Porifera
. Cnidaria
. Platyhelminthes
. Nemertea
. Mollusca
.. Annelida
. Nematoda
. Arthropoda
. Echinodermata
. Mammalia
A. Segmented body with a true coelom, earthworms and leeches
B. Highly successful, “chewing” mouth parts, some fly
C. Furry, live births, mammary glands, and feed young
D. No true tissues and sessile adults
E. Round worms covered with a cuticle and some reeeealy like us
F. Slow moving water living radial, kind of a throw back
G. Flat worm with complete simple nervous and digestive systems
H. Both medusan and polyp stages in a radial life style
I. The first closed circulatory system and they have a proboscis
J. All of us have (can put) a foot and (on a) mantle
11. (2) State the criteria for calculating a BMR or an SMR?
12. In balancing an energy budget, the biggest concern for mammals is
A. activity level.
B. reproduction costs.
C. basal metabolic rate.
D. temperature regulation.
13. In balancing an energy budget, the biggest concern for reptiles is
A. activity level.
C. basal metabolic rate.
B. reproduction costs.
D. temperature regulation.
14. (3) Why would a deer mouse have a greater energy expenditure per unit mass than an adult
human?
15. The regulation of fat stores in mammals is thought to depend on
A. caloric balance.
C. basal metabolic rate.
B. activity.
D. all the above.
16. (2) What is meant by the phrase an “This amino acid is an essential nutrient”?
Biology& 212
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Practice Exam 2
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17. The mammalian brain structure thought to regulate metabolism is the
A. medulla oblongata.
C. limbic system.
B. pons.
D. hypothalamus.
18. (4) List two fat-soluble vitamins and two water-soluble vitamins and give their general function.
19. Most minerals in the human body function
A. as precursors of other molecules.
C. as the basis for building bones or teeth.
B. as coenzymes/cofactors.
D. in a variety of roles.
20. The primary function in digestion of the poriferan cell called a choanocyte is
A. ingestion.
B. transport.
C. digestion.
D. elimination.
21. Most of digestion in a cnidarian occurs
A. extracellularly.
C. at Uncle Bob’s.
B. intracellularly.
D. within a gastrodermal tract.
22. (3) Describe the advantage of a gastro-vascular strategy of digestion?
23. The first true (one-way) digestive system is seen in the ? group.
A. Platyhelminthes
C. rotiferan
B. annelidia
D. nemertean
24. (3) Explain the function of the crop in the alimentary canal?
25. (4) Describe the main digestive functions of the oral cavity and name the structures that
accomplish these functions?
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Practice Exam 2
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26. The arrangement of the ? layer of the esophagus allows mammals to swallow.
A. muscular
B. connective
C. nervous
D. epithelial
27. (4) Describe the main digestive functions of the stomach and name the chemicals that help
accomplish these functions?
28. (4) Compare and contrast the functions of the small versus the large intestine?
29. (4) Contrast the pancreas with the liver in regards to digestive function?
30. (4) Describe the process of cephalic digestion.
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Practice Exam 2
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31. The hormone responsible for activating the pancreas during digestion is
A. secretin.
C. gastrin.
B. choleocystokinin.
D. pancreatin.
32. An herbivore is going to have more ? types of teeth.
A. incisor
C. molar
B. canine
D. deciduous
33. (4) Explain why an herbivore has a longer intestinal tract than a carnivore?
34. (6) Compare the function the section of a bovines digestive tract known as the Omasum,
Reticulum, and the Abomasum?
35. The practice of chewing “cud” by bovines does which of he following
A. increases the surface area to volume ratio.
C. mixes bacteria with the food.
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B. occupies time.
D. What is cud?
Practice Exam 2
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