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Prentice Hall Biology

Chapter 33: Comparing Chordates

TAKS Practice Test

Click on the button next to the response that best answers the question. For best results, review Prentice Hall Biology, Chapter 33.

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(TAKS 3, Bio TEKS 7A.3)
1. The earliest vertebrates were close relatives of
A hydras.
B amphibians.
C insects.
D lancelets.


(TAKS 2, Bio TEKS 10A.2)
2. Differences among the digestive systems of vertebrates reflect differences in
F ancestry.
G temperature.
H feeding habits.
J mobility.


(TAKS 3, Bio TEKS 7B.4)
3. In vertebrates, the appearance of new adaptations such as jaws and paired appendages often leads to an increase in
A reproductive isolation.
B adaptive radiation.
C convergent evolution.
D coevolution.


(TAKS 2, Bio TEKS 10A.1)
4. What type of circulatory system does a vertebrate have if it uses lungs for respiration?
F two-lung loop
G two-body loop
H a single loop
J a double loop


(TAKS 2, Bio TEKS 10A.8)
5. As water passes over the gills of a fish,
A carbon dioxide diffuses into the blood.
B carbon monoxide diffuses out of the blood.
C oxygen diffuses into the blood.
D oxygen diffuses out of the blood.


(TAKS 2, Bio TEKS 10A.7, Bio TEKS 10A.9)
6. Differences in how vertebrates move reflect differences in their
F nervous and digestive systems.
G muscular and respiratory systems.
H skeletal and nervous systems.
J skeletal and muscular systems.


(TAKS 3, Bio TEKS 12C.6)
7. An important adaptation that gives birds and mammals an advantage over reptiles is
A the ability to generate body heat.
B the ability to reproduce away from water.
C dry skin that prevents loss of water.
D air-breathing lungs.


(TAKS 2, Bio TEKS 10A.3)
8. Unlike the brains of nonvertebrate chordates, the brains of vertebrates are
F connected to the rest of the body by nerves.
G divided into regions with different functions.
H composed primarily of nerve cells.
J formed during embryonic development.


(TAKS 4, IPC TEKS 9B)
9. The pH scale is a measurement system that shows the concentration of H+ ions in solution. Which of the following statements about the pH scale is true?
A The lower the pH, the greater the acidity.
B The lower the pH, the lower the acidity.
C A substance with a pH of 13 is an acid.
D A substance with a pH of 3 is a base.


(TAKS 3, Bio TEKS 12C.6)
10. Regulation of body temperature is especially important in environments where the temperature
F is fairly constant year round.
G varies widely over the seasons.
H is close to animals' body temperatures.
J is not much cooler at night.