Consider the following statements about the energy flow among different trophic levels 1 The flow of...........

Environment and Ecology Concept of Ecology

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Consider the following statements about the energy flow among different trophic levels.

1. The flow of energy from producer to top consumers is called energy flow which is bidirectional.

2. The pyramid of energy is always upward, with a large energy base at the bottom.

3. Biomass pyramid concept helps to explain the phenomenon of biological magnification.

Which of the above statements is/are correct?

1&2 only

1&3 only

2 only

3 only

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Explanation:

Energy is the basic force responsible for all metabolic activities. The flow of energy from producer to top consumers is called energy flow which is unidirectional.
An energy pyramid, reflects the laws of thermodynamics, with conversion of solar energy to chemical energy and heat energy at each trophic level and with loss pf energy being depicted at each transfer to another trophic level. Hence the pyramid is always upward, with a large energy base at the bottom.
Energy pyramid concept helps to explain the phenomenon of biological magnification the tendency for toxic substances to increase in concentration progressively at higher levels of the food chain
Do you know?
In bioaccumulation there is an increase in concentration of a pollutant from the environment to the first organism in a food chain.
THINK!
Biomagnification.