Question

Scientists use different types of models to analyze the structure of ecosystems. Which characteristic is seen in a biomass pyramid, but not in a numbers pyramid?

the total number of trophic levels in an ecosystem
living matter found at each trophic level in an ecosystem
energy available at each trophic level in an ecosystem
organisms found at each trophic level in an ecosystem

Answer 1

living matter found at each trophic level in an ecosystem

Explanation: A biomass pyramid shows the amount (mass) of living material at each trophic level, whereas a numbers pyramid shows the count of organisms. Energy pyramids show energy available.