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ECOLOGY TEST

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

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  1. ECOLOGY TEST 8th grade Version 1

  2. 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

  3. 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

  4. 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

  5. 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.

  6. 8. In the food web shown, which consumers eat only producers? a. The Owl b. The Fox c. The Hawk d. The Bunny

  7. 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

  8. 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

  9. 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)

  10. 13. Green plants are 14. A snake that eats a frog that has eaten an insect that fed on a plant is a

  11. 15. Each of the following is an abiotic factor in the environment EXCEPT 16. An interaction in which one organism captures and feeds on another organism is called

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

  13. 18. Primary succession can begin after 19. What is one difference between primary and secondary succession?

  14. 20. What is the original source of almost all the energy in most ecosystems?

  15. 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.

  16. 22. 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? • Nests in tree canopy or shrubs b. Nests in tree trunks c. Nests on ground d. Nests on fresh water.

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

  18. 24. 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? • 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

  19. Blast from the Past! 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

  20. 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

  21. 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

  22. 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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