Multiple Choice
In the context of organic chemistry, how is the rate of photosynthesis in plants affected when transitioning from day to night?
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Intro to Organic Chemistry
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In the context of organic chemistry, what happens to the energy that is lost as you move up the trophic levels in an ecosystem?
A
It is used to synthesize new organic molecules.
B
It is completely recycled back into the ecosystem.
C
It is stored as chemical energy in the form of ATP.
D
It is converted into heat and dissipated into the environment.
Verified step by step guidance1
Begin by understanding the concept of trophic levels in an ecosystem. Trophic levels represent the hierarchical stages in a food chain, starting from producers at the base to apex predators at the top.
Recognize that energy transfer between trophic levels is not 100% efficient. Typically, only about 10% of the energy is transferred from one level to the next, while the rest is lost.
Consider the forms of energy loss. Energy can be lost through metabolic processes, such as respiration, where it is converted into heat.
Understand that this heat energy is not used for synthesizing new organic molecules or stored as ATP. Instead, it dissipates into the environment, contributing to the overall energy loss in the ecosystem.
Conclude that the energy lost as you move up the trophic levels is primarily converted into heat and dissipated into the environment, rather than being recycled or stored in a usable form.
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