Ecological Pyramid
An inverted biomass pyramid is characteristic of which ecosystem component?
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About This Question
- Subject
- biology
- Chapter
- ecology and environment
- Topic
- ecological pyramid
- Difficulty
- Hard
- Year
- 2025
Solution
Correct Answer:
Aquatic phytoplankton-zooplankton
- Pyramid of Biomass: Represents the total dry weight of living matter at each trophic level.
- Upright Pyramids: In most terrestrial ecosystems (e.g., forests, grasslands), the producer biomass is far greater than the herbivore and carnivore biomass.
- Inverted Pyramids: Typical of aquatic ecosystems (like pond or sea).
- Explanation: The primary producers (Phytoplankton) have a very small biomass at any given time because they are tiny and eaten very rapidly. However, they have a very high turnover rate (rate of production), which supports a larger biomass of Zooplankton and fish.
This hard difficulty biology question is from the chapter ecology and environment, covering the topic of ecological pyramid. It appeared in the 2025 exam.
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