Multiple Choice
The biggest difference between the flow of energy and the flow of chemical nutrients in an ecosystem is that __________.
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52. Ecosystems
Introduction to Ecosystems
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Which of the following is a primary producer?
A
Detritivores
B
Fungi
C
Nonphotosynthetic bacteria
D
Humans
E
Green plants
Verified step by step guidance1
Understand the concept of a primary producer: Primary producers are organisms that can produce their own food through photosynthesis or chemosynthesis, forming the base of the food chain.
Identify the characteristics of primary producers: They typically convert energy from sunlight or chemical sources into organic compounds, which are then used by other organisms.
Examine the options given: Detritivores, fungi, nonphotosynthetic bacteria, and humans do not produce their own food through photosynthesis or chemosynthesis.
Recognize that green plants are capable of photosynthesis, using sunlight to convert carbon dioxide and water into glucose and oxygen, thus acting as primary producers.
Conclude that green plants fit the definition of primary producers, as they are the only option listed that can produce their own food through photosynthesis.
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