General Biology: A tree falls in the forest. Several years later, the fallen tree is covered in s...

Question

A tree falls in the forest. Several years later, the fallen tree is covered in several kilograms of mushrooms. Mushrooms are decomposers, using the things that they grow on as food. Assuming that the moisture content of the tree is the same as it was when it originally fell, which of the following is a reasonable prediction of the weight of the tree and the mushrooms, compared to the weight of the tree at the beginning?

AnswerChoose the correct answer.Choose all that apply. Correct Partially correct Incorrect Don't Know

  1. A
    Correct Answer
    The mass increases because the mushrooms have grown
  2. B
    Correct Answer
    The mass decreases as the mushrooms convert tree mass into mushroom biomass, CO2, and H2O
  3. C
    Correct Answer
    The mass remains the same because some of the tree mass was converted to energy for mushroom growth
  4. D
    Correct Answer
    The mass remains the same as the mushrooms convert tree mass into mushroom biomass
  5. E
    Correct Answer
    The mass decreases because some of it was converted to energy for mushroom growth
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This question is available under a CC BY license. Attribution: Scott Rollins
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