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    Biomes and the Organisms That Live Within Them

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    Choose one of the earth's major biomes. and in powerpoint create a very simple presentation, each slide containing 1-2 sentences.

    Describe the climate and physical characteristics of that biome and the types of organisms that live within it.

    Give examples of and describe symbiotic relationships between those organisms. Be sure to include at least one example from each of the following: parasitism, mutualism, and commensalism.

    Describe a freshwater or saltwater life zone within or adjacent to the biome you chose.

    Detail the similarities and differences between the terrestrial biome and the aquatic life zone.

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    Solution Preview

    ***Here is some information on tropical rainforests. I've included tons of websites with more information and pictures for you to use.***

    Biome = tropical forest

    "Further subdivisions of this group are determined by seasonal distribution of rainfall:
    evergreen rainforest: no dry season.
    seasonal rainforest: short dry period in a very wet tropical region (the forest exhibits definite seasonal changes as trees undergo developmental changes simultaneously, but the general character of vegetation remains the same as in evergreen rainforests).
    semievergreen forest: longer dry season (the upper tree story consists of deciduous trees, while the lower story is still evergreen).
    moist/dry deciduous forest (monsoon): the length of the dry season increases further as rainfall decreases (all trees are deciduous)."
    (Quoted from first website of references)

    ***We're going to focus on evergreen rainforests***

    Image from the Botanical Society of America website, http://images.botany.org/bsa/set-01/01-197v.jpg.


    Climate = Near the equator (latitudes 23.5° N to 23.5° S); no winter, only rainy and dry seasons; the length of the day does not vary much throughout the year.

    Physical characteristics = Average temperature is 20-25° C, but temperature doesn't vary by much throughout the year; annual rainfall exceeds 2000 mm (one website says 125 to 660 cm); soil is nutrient-poor and acidic.

    Organisms = Tropical forests have the greatest ...

    Solution Summary

    The solution uses the evergreen rainforest biome as an example of a biome. For this biome, the following are discussed:

    climate of the biome
    physical characteristics of the biome
    plants and animals that live in the biome
    examples of parasitism, mutualism, and commensalism among organisms in the biome
    aquatic life zone within the biome and the similarities to the terrestrial life zone

    A powerpoint presentation is not included. However, the solution includes enough information, references, and pictures, that a presentation could be easily made.