Scelta multipla
What happens to the energy as it moves up the trophic levels in a food chain?
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8. Thermochemistry
Nature of Energy
Scelta multipla
What is the original source of almost all energy in most ecosystems?
A
Geothermal heat
B
Wind energy
C
The Sun
D
Nuclear reactions
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Understand that ecosystems rely on energy to sustain life and drive biological processes.
Recognize that the primary source of energy for most ecosystems is external and not generated within the ecosystem itself.
Consider the role of the Sun, which provides solar energy that is captured by plants through the process of photosynthesis.
Acknowledge that photosynthesis converts solar energy into chemical energy, which is then used by plants and transferred through the food chain.
Conclude that while other energy sources like geothermal heat and wind energy exist, the Sun is the original and most significant source of energy for most ecosystems.
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