Open Question
Convert between energy units. a. 231 cal to kJ b. 132×104 kJ to kcal d. 2.88×104 J to Cal
8. Thermochemistry
Nature of Energy
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In an energy pyramid, which trophic level contains the most energy?
A
Primary consumers
B
Secondary consumers
C
Producers
D
Tertiary consumers
Verified step by step guidance1
Understand the concept of an energy pyramid: An energy pyramid is a graphical representation of the energy flow in an ecosystem, with different trophic levels representing different groups of organisms.
Identify the trophic levels: The main trophic levels in an energy pyramid are producers, primary consumers, secondary consumers, and tertiary consumers.
Recognize the role of producers: Producers, such as plants and algae, are at the base of the energy pyramid. They convert solar energy into chemical energy through photosynthesis, making them the primary source of energy for all other trophic levels.
Compare energy distribution: As energy moves up the pyramid from producers to primary consumers, secondary consumers, and tertiary consumers, it decreases due to energy loss at each level, primarily as heat.
Conclude which level has the most energy: Since producers are at the base and capture the initial energy from the sun, they contain the most energy in the energy pyramid.
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