ECOLOGY TEST
8th grade
Version 1
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
D
A
C
B
1. Which letter would best represent the caudal fin?
a. A
b. B
c. C
d. D
2. Which letter would best represent the pelvic fin?
a.
b.
c.
d.
A
B
C
D
D
A
C
B
3. Which letter would best represent the peduncle?
a. A
b. B
c. C
d. D
4. Which letter would best represent the dorsal fin?
a.
b.
c.
d.
A
B
C
D
5. The Theory of Natural Selection was proposed by
a. Sir Issac Newton
b. D.J. Jazzy Jeff
c. Charles Darwin
Without lichen
With lichen
6. The drawing above shows the results of an experiment involving three juniper plants that were
allowed to grow in the same environmental conditions. One set of plants was infused (filled up)
with lichen (fungus) and the other set without. Based upon the results of the experiment, what
conclusion could be drawn?
a. Both the lichen and the juniper plants received a benefit from the relationship, making
it a mutualism relationship.
b. Both the lichen and the juniper plant received a benefit, making it a communalistic
relationship
c. The fungus was hurt, while the lichen was benefitted, making it a parasitic relationship
7. In the food web shown, which consumers eat only producers?
a. The Owl
b. The Fox
c. The Hawk
d. The Bunny
8. The diagram below a simple food web of organisms on a forest floor. Which of these
is most dependent on the earthworm for its food supply?
a. Slug
b. Ant
c. Snail
d. Centipede
9. The branch of biology dealing with interactions among organisms and between organisms and
their environment is called
a. economy.
b. modeling.
c. recycling.
d. ecology.
10. All of the members of a particular species that live in one area are
called a(an)
a. biome.
b. population.
c. community.
d. ecosystem.
11. Green plants are
a. producers.
b. consumers.
hint
12. Each of the following is an abiotic factor in the environment EXCEPT
a. plant life.
b. soil type.
c. rainfall.
d. temperature.
13. An interaction in which one organism captures and feeds on another organism is called
a. competition.
b. sybiosis.
c. mutualism.
d. predation.
14. What is the original source of almost all the energy in most ecosystems?
a.
b.
c.
d.
carbohydrates
sunlight
water
carbon
Hint:
15. An experiment is designed to clear an oak-hickory forest and replant the area with
pines. Which of the following species would be most threatened by this experiment?
a. Hooded warbler
b. Summer tanager
c. Cardinal
d. Field Sparrow.
16. A student studying wildlife nesting
Patterns in the Sandy Beach and
Dune ecosystem of the Chincoteague
National Wildlife Refuge would
find nests of the least species
in which locations?
a. Nests in tree canopy or shrubs
b. Nests in tree trunks
c. Nests on ground
d. Nests in fresh water.
17. Which hypothesis would best be supported by this graph?
a. Over the years, the cardinal population has moved at a steady rate.
b. Over the years, the cardinal population has decreased.
c. Over the years, the cardinal population has increased.
18. In any ecosystem, there is a limited number of resources that all organisms must share
in order to survive. Which term below indicates their struggle to obtain these resources?
a. Population
b. Consumers
c. Community
d. Competition
19. When an oil tanker leaks oil into the waters of Galveston Bay and pollutes the water,
what type of pollution would this be?
a. Non-point source pollution
b. point source pollution
c. Littering
Blast from the Past!
C2H6
20. In the compound above, how many elements are present?
a. 2
b. 4
c. 6
21. The phases of the moon are produced by:
Hint
a. the spin of the Earth
b. varying amounts of sunlight reaching the side of the moon that faces Earth
c. varying amounts of sunlight reaching the side of the moon that faces the sun
d. the orbit of the Earth around the moon
22. At first and third quarter moon phases:
a. the moon is basically at a 90 degree
angle from the sun
b. half of the side of the moon
we can see is lit up
c. A and B
d. none of these
23. You realize that you are about to miss your curfew, and hop on your bike
to get home before you’re grounded. If you live 15 miles away, and need
to be home in 1 hour, at what speed will you need to ride your bike?
(Remember, S= D/T)
a. 15 miles per hour
b. 15 miles per minute
c. 30 miles per hour
d. 30 miles per minute
24. In the element symbol to the right, how many neutrons would there be?
a. 23
b. 11
c. 22
d. 12
I sure have to
go to the
bathroom…..