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Blue Planet Coral Seas Worksheet

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Blue Planet Coral Seas Worksheet Powered By Docstoc
					Name: ______________________ Class: ______________                             Date: ________________


                                 Evolution and Species Interactions
                                Video Test – Blue Planet: Coral Seas

    1. As you watch the introduction sequence, list three abiotic factors in this ecosystem.
              _________________________________________

                _________________________________________

                 _________________________________________

    2. The coral polyps reproduce by “budding”. What kind of reproduction is this?
          a. Sexual
          b. Asexual

    3. Would you classify the coral polyps as a keystone species? Explain why or why not.



    4. How would you classify the relationship between the algae and the coral polyps?
       Explain why.

    5. Which abiotic factor is the critical factor in the growth of the coral polyps?


    6. How would you classify the relationship between the butterfly fish and the coral polyps?
       Explain why.

    7. Why is it an evolutionary advantage for the coral polyps to only come out at night?



    8. How would you classify the relationship between the coral polyps and the plankton?
       Explain why.

    9. How would you classify the relationship between the different species of coral?
       Explain why.

    10. How would you classify the relationship between coral and the crown-of-thorns starfish?
        Explain why.

    11. How would you classify the relationship between coral and the small crabs?
        Explain why.

    12. How would you classify the relationship between parrotfish and coral?
        Explain why.


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Name: ______________________ Class: ______________                             Date: ________________



    13. Give an evolutionary adaptation found in each of these organisms of the reef:

            a. Jacks –

            b. Silversides –

    14. How would you classify the relationship between the sponge and the shrimp?
        Explain why.

    15. How would you classify the relationship between the polychaete worm and the shrimp?
        Explain why.

    16. How would you classify the relationship between the redmouth grouper and lionfish?
        Explain why.

    17. How would you classify the relationship between the redmouth grouper and lionfish?
        Explain why.

    18. How would you classify the relationship amongst the whitetip shark individuals?
        Explain why.

    19. The entire group of white-tip sharks engaging in a feeding frenzy would be a _________.
           a. Organism
           b. Population
           c. Community
           d. Ecosystem

    20. Watch the brown sturgeonfish mating ritual. Which males are most likely to pass their
        traits on to the next generation? How will evolution improve this population?



    21. The banded pipefish shown are more monogamous species. How does their sexual
        behavior provide them an advantage?



    22. Compare the appearance of the male and female cuttlefish. Why do the male and females
        look so different, even though they are the same species?




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DOCUMENT INFO
Description: Student worksheet to accompany the Blue Planet episode on Coral Seas. This episode heavily emphasizes the different types of relationships between species.