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ECOLOGY TEST. 8 th grade Version 1. Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. D. A. C. B. Which letter would best represent the caudal fin? a. A b. B c. C D

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Ecology test

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

  • Which letter would best represent the caudal fin?

    a. A

    b. B

    c. C

  • D

    2. Which letter would best represent the pelvic fin?

    a. A

    b. B

    c. C

    d. D


D

A

C

B

3. Which letter would best represent the peduncle?

a. A

b. B

c. C

  • D

    4. Which letter would best represent the dorsal fin?

    a. A

    b. B

    c. C

    d. D


5. The Theory of Natural Selection was proposed by

a. Sir Issac Newton

b. D.J. Jazzy Jeff

c. Charles Darwin

d. Albert Einstein

6. Influenza, or the common flu, is caused by a virus that invades our body making us sick. This type of symbiosis would be:

a. Mutualism

b. Commensalism

c. Predation

d. Parasitiism


7. 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 were infused with lichen (fungus) attached to their rootsand the other set without. Based upon the results the experiment, what conclusion could be drawn?

a. Both the lichen and the fungus received a benefit from the relationship, making this an example of mutualism

  • b. Both the lichen and the fungus received a benefit, making this an example of commensalism

    c. The fungus was hurt, while the lichen was benefitted, making it an example of a parasitic relationship

  • d. The lichen was hurt, while the fungus was benefitted, making it anexample of a parasitic relationship.


8. In the food web shown, which consumers eat only producers?

a. The Owl

b. The Fox

c. The Hawk

d. The Bunny


9. The diagram below is a simple food web of organisms on a forest floor. Which of these is mostdependent on the earthworm for its food supply?

a. Slug

b. Ant

c. Snail

d. Centipede


10. Food webs are models used to show energy flow in ecosystems. In the food web on the right, what is the main source of energy for the copepods?

a. Parrotfish

b. Shrimp

c. Corals

d. Algae


11. The branch of biology dealing with interactions among organisms and betweenorganisms and their environment iscalled

12. All of the members of a particular species that live in one area are called a(an)


13. Green plants are organisms and between

14. A snake that eats a frog that has eaten an insect that fed on a plant is a


15. Each of the following is an organisms and betweenabiotic factor in the environment EXCEPT

16. An interaction in which one organism captures and feeds on another organism is called


17. The symbiotic relationship between a flower and the insect that feeds on its nectar is an exampleof


18. Primary succession can begin after insect that feeds on its nectar is an example

19. What is one difference between primary and secondary succession?



21. An experiment is designed to clear an oak-hickory forest and replant the area with pines. Which of the following species would bemost threatened by this experiment?

a. Hooded warbler

b. Summer tanager

c. Cardinal

d. Field Sparrow.


22. A student studying wildlife nesting and replant the area with pines. Which of the following species would be

Patterns in the Sandy Beach and

Dune ecosystem of the Chincoteague

National Wildlife Refuge would

  • find nests of the least species

  • in which locations?

  • Nests in tree canopy or shrubs

    b. Nests in tree trunks

    c. Nests on ground

    d. Nests on fresh water.


23. Which hypothesis would best be supported by this graph? and replant the area with pines. Which of the following species would be

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.

d. Over the years, the cardinal population has changed due to human activity.


24. and replant the area with pines. Which of the following species would beIn 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?

  • When an oil tanker leaks oil into the water 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

    d. Seismic pollution


Blast from the Past! and replant the area with pines. Which of the following species would be

C2H6

  • In the compound above, how many elements are present?

    a. 2

    b. 4

    c. 6

    d. 8

  • The phases of the moon are produced by:

    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


  • At first and third quarter moon phases: and replant the area with pines. Which of the following species would be

    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


  • 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


30. 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…..


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