TAKS logo

Online TAKS Practice

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.

You may take the test as many times as you like. When you are happy with your results, you may e-mail your results to your teacher. Please obtain your teacher's permission before e-mailing.

Your First Name Only:
Your Class Period:

(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.

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.