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NEETBotanyEcosystem

Concept Description A. Trophic Level 1. A functional level representing feeding position B. Pyramid of Energy 2. Shows number of organisms at each trophic level C. Pyramid of Biomass 3. Can be inverted in aquatic ecosystems D. Pyramid of Numbers 4. Always upright due to energy loss as heat

Options

  1. AA - 1, B - 4, C - 3, D - 2
  2. BA - 2, B - 1, C - 4, D - 3
  3. CA - 4, B - 3, C - 2, D - 1
  4. DA - 3, B - 4, C - 1, D - 2

Correct answer

A. A - 1, B - 4, C - 3, D - 2

Step-by-step solution

Trophic Level (A) represents a functional level in an ecosystem (1), such as producers, herbivores, or carnivores. Pyramid of Numbers (D) depicts the number of organisms at each trophic level (2). Pyramid of Biomass (C) can be inverted in aquatic ecosystems (3), where the biomass of fish can exceed that of phytoplankton. Pyramid of Energy (B) is always upright (4) because energy decreases with each trophic level due to heat loss.

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