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Ecosystem Test ...

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  • Question 1
    1 / -0

    Lichen is the pioneer vegetation on which succession?

  • Question 2
    1 / -0

    Find the odd one out:

  • Question 3
    1 / -0

    Find the incorrect match.

    IIIIII
    i. CrabSacculinaInteraction $$++$$
    ii. Human beingMosquitoInteraction $$- +$$
    iii. Sea anemoneHermit crabInteraction $$++$$

  • Question 4
    1 / -0

    A keystone species is removed from an ecosystem. This will not cause

  • Question 5
    1 / -0

    A rocky community near a pond has no vegetation or animal life. After a period of approximately 50 years, the community boasts a wide variety of flora and fauna, including trees, animals and insects. The process which has taken place can best be described as

  • Question 6
    1 / -0

    An ecosystem undergoes a sudden drastic change that now favors organisms with an extreme phenotype. Which one of the following is true for such an ecosystem?

  • Question 7
    1 / -0

    The data from the study to determine metabolic rate shows the energy being released by respiration is less than the energy captured during photosynthesis. Which of the following condition takes place in terrestrial plant community?

  • Question 8
    1 / -0

    Plants growing in and around a pond eventually filling in the pond and converting it to a terrestrial habitat is an example of

  • Question 9
    1 / -0

    The data given in the table shows species richness of mosses, shrubs and trees calculated for one hectare $$(10,000 m^2)$$ of land every 50 years for 200 years based on a long running ecological study.
    According to the data natural disaster occurred during which time period?
    YearMossesShrubsTrees
    18001620
    18502174
    19001053
    195013126
    2000172814

  • Question 10
    1 / -0

    The data given in the table shows species richness of mosses, shrubs and trees calculated for one hectare $$(10,000 m^2)$$ of land every 50 years for 200 years based on a long running ecological study.
    YEARMOSSESSHRUBSTREES
    18001620
    18502174
    19001053
    195013126
    2000172814
    Based on the data, has the community reached a climax?

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