LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

ECOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the three kinds of ecological pyramids?
A
producer, consumer, and decomposer
B
energy, biomass, and numbers
C
biotic, abiotic, and nutrient
D
energy, nutrient, and trophic
Explanation: 

Detailed explanation-1: -Pyramid of Number. Pyramid of Biomass. Pyramid of Energy.

Detailed explanation-2: -Types of ecological pyramids are pyramids of energy, pyramids of biomass, and pyramids of numbers: Pyramids of energy show relative amounts of energy available at different trophic levels. Pyramids of biomass show the total amount of living tissue at each trophic level.

Detailed explanation-3: -Pyramid of numbers represents the number of individual organisms at each trophic level. Pyramid of biomass represents the biomass present at each trophic level while pyramid of energy shows the energy available at each trophic level. All three types of pyramids are useful for characterizing ecosystem structure.

Detailed explanation-4: -The ecological pyramids show the energy flow in the system. A biomass pyramid is the representation of total living biomass or organic matter present at different trophic levels in an ecosystem. Biomass is calculated as the mass of living organisms present at each trophic level in a given sample size.

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