Question
Assertion: Pyramid of energy is always upright. Reason: Energy flow is unidirectional and some energy is always lost as heat at each step.
Step 1
The pyramid of energy represents the flow of energy through different trophic levels in an ecosystem, from producers to consumers. Show more…
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According to the law of conservation of energy, energy can neither be created nor destroyed. If this is true, why is there less energy in the top of the energy pyramid than there is in the bottom of the energy pyramid?
Assertion First law of thermodynamics is a re-statement of the principle of conservation of energy. Reason Energy is something fundamental.
Thermodynamics
Round 2
According to the First Law of Thermodynamics, the total amount of energy in the universe is constant. Why, then, do we say that we are experiencing a declining supply of energy?
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