5.2. Pyramid of Biomass

Try these first

1. 1.

   What is the definition of biomass?

   Hint

   Think about what biomass includes.

2. 2.

   Name one type of ecosystem that typically has an upright pyramid.

   Hint

   Consider where plants and animals might be abundant.

3. 3.

   What shape does the Pyramid of Biomass typically take in grassland ecosystems?

   • Inverted
   • Upright
   • Cylindrical

   Hint

   Think about food chains in open land.

4. 4.

   True or False: An inverted pyramid of biomass suggests a healthy ecosystem.

   • True
   • False

   Hint

   Recall what an inverted structure means.

5. 5.

   You observe a significant increase in herbivore populations in a grassland ecosystem. Predict the implications for the Pyramid of Biomass and the ecosystem's energy flow.

   Hint

   Consider how each trophic level relies on the one below it.

6. 6.

   If a toxic event occurred, affecting only the primary producers in a pond ecosystem, speculate the effects on the Pyramid of Biomass.

   Hint

   Think about the relationships between producers and various consumers.