Trophic Levels and Biomass Exercise

Trophic Levels and Biomass

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Trophic Levels and Biomass

Explore how biomass and available energy change across different trophic levels in an ecosystem.

Questions

  1. MultiChoice

    What is biomass?

  2. WordsBox

    Each step in a food chain is called a ____ level.

  3. MultiChoice

    Which trophic level usually has the greatest total biomass?

  4. MultiChoice

    What represents the first trophic level in most ecosystems?

  5. WordsBox

    Biomass usually ____ as you move to higher ____ levels.

  6. MultiChoice

    An owl eats a shrew. Which trophic level is the owl on if the shrew ate a grasshopper?

  7. MultiChoice

    Why is biomass smaller at higher trophic levels?

  8. WordsBox

    A pyramid of ____ shows the total weight of living ____ at each level.

  9. MultiChoice

    Which trophic level directly feeds on producers?

  10. MultiChoice

    In a forest ecosystem, which group contributes most to total biomass?

  11. WordsBox

    Herbivores make up the ____ trophic level in food ____

  12. MultiChoice

    What happens to biomass pyramid structure in healthy land ecosystems?