Practice Test
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
____
____
____
____
____
____
____
1. Flying foxes are recognized as a
a. thriving species.
b. alien species.
c. native species.
d. keystone species.
e. indicator species.
2. Where is most of the world's biodiversity?
a. high-latitude forests
b. middle-latitude grasslands
c. low-latitude forests
d. polar grasslands
e. tundra
3. Cockroaches exhibit all of the following qualities except
a. the capability to live almost anywhere.
b. a quick response time.
c. a picky eating style.
d. the ability to develop genetic resistance to poisons.
e. none of these answers
4. The giant panda is an endangered species because
a. it is a specialized species, eating mostly bamboo, which has periodic diebacks.
b. the pandas are separated into small, isolated populations.
c. of low birth rate and litter size.
d. all of these answers
e. none of these answers
5. Species that are accidentally or intentionally introduced into an ecosystem are called
a. nonnative species.
b. native species.
c. keystone species.
d. specialist species.
e. generalist species.
6. Which of the following predators avoid competition by being active at different times?
a. lions and tigers
b. hummingbirds and bees
c. hawks and owls
d. zebras and antelopes
e. lions and cheetahs
7. The relationship between African Killer Bees and native Bee populations is best described as
a. mutualism.
b. commensalism.
c. intraspecific competition.
d. interspecific competition.
e. parasitism.
____
____
____
____
____
____
____
____
8. Prey are least likely to defend themselves against predators by
a. camouflage.
b. acute senses of sight and smell.
c. protective shells.
d. pursuit and ambush.
e. mimicry.
9. The relationship between tick birds and rhinos is
a. competition.
b. predation.
c. parasitism.
d. mutualism.
e. commensalism.
10. Which of the following would undergo secondary succession?
a. cooled volcanic lava
b. an abandoned parking lot
c. a heavily polluted stream that has been cleaned up
d. a bare rock outcrop
e. a newly created shallow pond
11. Which of the following leads to an increase in biodiversity?
a. habitat degradation
b. phosphate pollution of streams
c. elimination of alien vegetation
d. acid deposition
e. Erosion
12. The current extinction crisis differs from previous mass extinctions in that
a. ecosystems which store genes for future radiations are being protected.
b. the current crisis is caused by the human species.
c. it is taking place at a slower rate.
d. recovery is likely to be faster because of genetic engineering.
e. it is making the planet healthier.
13. A biologist is most likely to say that the passenger pigeon is
a. endangered.
b. locally extinct.
c. ecologically extinct.
d. biologically extinct.
e. threatened.
14. All of the following characteristics would make a species more prone to extinction except
a. low population density.
b. small territory range.
c. specialized niche.
d. low reproductive rate.
e. fixed migratory patterns.
15. Invasive species are so successful in non-native habitats because
a. They are always stronger than the native species
b. They have few to no predators in the non-native habitat
c. They face little competition in the new habitat
d. B and C
e. All of the above
____ 16. Biologists claim that species have
a. ecological value.
b. economic value.
c. medical and scientific value.
d. intrinsic value.
e. all of these answers
____ 17. The greatest species terminator is habitat destruction of
a. coral reefs.
b. grasslands.
c. tropical forests.
d. deserts.
e. temperate forests.
____ 18. You are an ecologist studying gray wolves. You find that the population is so depleted in Montana that they can
no longer control the deer population. You would most likely categorize the wolves as ___________ extinct.
a. Locally
b. Biologically
c. Ecologically
d. Both b and c
e. All of the above
____ 19. Which of the following islands would contain the greatest amount of biodiversity?
a. Big, close to mainland
b. Small, close to mainland
c. Small, far from mainland
d. Big, far from mainland
____ 20. What is the number one reason that species are going extinct world-wide?
a. Pollution
b. Habitat loss
c. Poaching
d. Predation
e. None of the above
____ 21. All of the following are organisms imported into the United States that cause damage except the
a. prairie dog.
b. Burmese python.
c. Asian carp.
d. Zebra mussel.
e. kudzu.
____ 22. CITES is limited by
a. violators receiving only small fines.
b. spotty enforcement.
c. member countries exempting themselves from protecting some species.
d. much of the illegal trade in wildlife going on in countries that have not signed the treaty.
e. all of these answers
____ 23. The Endangered Species Act of 1973
a. Is a global treaty
b. Has successfully saved many species in the U.S. from going extinct
c. is enforced by the USFWS
d. b and c only
e. all of these answers
_____ 24. Mountain gorillas, tigers, whooping cranes, California Condors, and Giant Pandas are all considered
a. Extinct
b. Threatened
c. Alien (non-native)
d. Endangered
e. All of the above
25. A crown fire burned down an entire oak/hickory hardwood forest. Two hundred years later, a climax community of a
mixed hardwood forest has grown back. Rank the following stages that would occur after the fire in order from
start to finish:
a. tall, dense pine forest
b. tall grasses and weedy plants
c. sunny conditions allow for pine seedlings to grow
d. mixed pine/hardwood forest
e. short grasses
f. climax community consisting of an oak/hickory hardwood forest
g. shade from bigger trees allow for seedlings of oak and hickory trees to grow
8 & 12 Practice Test
Answer Section
MULTIPLE CHOICE
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
ANS: D
ANS: C
ANS: C
ANS: D
ANS: A
ANS: C
ANS: D
ANS: D
ANS: D
ANS: C
ANS: C
ANS: B
ANS: D
ANS: B
ANS: D
ANS: E
ANS: C
ANS: C
ANS: A
ANS: B
ANS: A
ANS: E
ANS: D
ANS: D
25. e, b, c, a, g, d, f