TAKS logo

Online TAKS Practice

Prentice Hall Biology

Chapter 16: Evolution of Populations

TAKS Practice Test

Click on the button next to the response that best answers the question. For best results, review Prentice Hall Biology, Chapter 16.

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:

1. Consider that a jar of molasses stored at room temperature has been poured into a saucepan and is heated. How does the viscosity of the molasses during heating compare with its viscosity at room temperature?
A The viscosity is lower during heating.
B The viscosity is higher during heating.
C The viscosity is the same at room temperature and during heating.
D More information is needed to determine viscosity.

2. A forklift lifts a 1500-newton package to a height of 6.0 meters. How much work is done by the forklift? HINT: Work = force × distance
F 250 J
G 4500 N•m
H 9000 J
J 5000 N•m

3. Picture the waves of a swiftly moving stream. Which statement most accurately describes these waves?
A They are surface waves.
B They are both transverse and longitudinal.
C They cause floating matter to move up and down.
D all of the above

(TAKS 2, Bio TEKS 7B.1)
4. The likely effect of natural selection on a single-gene trait is
F selection by genetic drift.
G genetic equilibrium.
H reproductive isolation.
J a change in allele frequencies.

(TAKS 2, Bio TEKS 6C.1)
5. Most genetic variation is due to
A mutation and natural selection.
B mutation and genetic shuffling.
C artificial selection and natural selection.
D founder effects and sexual recombination.

(TAKS 3, Bio TEKS 7B.1)
6. Among the finch populations of the Galápagos Islands, the founder effect, reproductive isolation, and competition all contributed to
F speciation.
G genetic equilibrium.
H stabilizing selection.
J genetic drift.

(TAKS 2, Bio TEKS 6D)
7. A trait that has many phenotypes is probably controlled by
A many genes and environmental factors.
B one gene that has only two alleles.
C environmental factors and not by genes.
D one gene and one environmental factor.

(TAKS 3, Bio TEKS 7B.1)
8. Speciation cannot take place without
F homologous structures.
G disruptive selection.
H geographic isolation.
J reproductive isolation.

(TAKS 2, Bio TEKS 7B.1)
9. The evolution of the finches on the Galápagos Islands is an example of
A stabilizing selection.
B artificial selection.
C equilibrium.
D speciation.

(TAKS 1, Bio TEKS 3F.4)
10. Which two scientists have demonstrated that natural selection is still at work in the evolution of the finches on the Galápagos Islands?
F Peter Grant and Rosemary Grant
G Alfred Hershey and Martha Chase
H James Watson and Francis Crick
J Mary Leakey and Meave Leakey