In an upright pyramid of biomass, herbivores are positioned at:
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Answer: B. 2
Explanation
Upright pyramids of biomass position primary producers at the very base level one. Herbivores that consume plants are designated as primary consumers located at level two. This structural arrangement reflects the decreasing total dry weight at higher trophic tiers. Biomass pyramids illustrate the total dry mass of living organisms at each trophic level. Primary producers form the foundation because they synthesize food directly from sunlight. Trophic level numbering starts from the bottom with producers assigned to level one.
Foresters and wildlife biologists use biomass pyramids to calculate carrying capacities of habitats. Understanding trophic levels helps researchers track bioaccumulation of toxins in food webs. Most terrestrial ecosystems exhibit this classic upright biomass pyramid structure in nature. Option A represents level four which corresponds to tertiary carnivores or top predators. Option C represents level three which is occupied by secondary consumers or carnivores. Option D represents level one which is reserved exclusively for primary producers.
- Subject
- Agriculture
- Category
- Forestry
- Topic
- —
- Difficulty
- medium
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