5.5.2.1.4.1.2.2.2. Biotic Components

Try these first

1. 1.

   Define Pyramid of Number.

   Hint

   Think about what organism groups make up the base.

2. 2.

   What is the usual shape of the Pyramid of Biomass in grasslands?

   Hint

   Consider energy flow and organism size.

3. 3.

   Which pyramid best represents energy distribution in ecosystems?

   • Pyramid of Number
   • Pyramid of Biomass
   • Pyramid of Energy

   Hint

   Think about energy flow and totals.

4. 4.

   True or False: The Pyramid of Number always shows an upright shape.

   • True
   • False

   Hint

   Consider examples of different ecosystems.

5. 5.

   Create a hypothetical Pyramid of Number for a new ecosystem you invent, explaining your reasoning for each trophic level.

   Hint

   Think about realistic ratios of life forms based on known ecosystems.

6. 6.

   Evaluate how changes in the environment could affect the Pyramid of Biomass in a given ecosystem.

   Hint

   Focus on the connections between biotic and abiotic factors.