Multiple Choice
In the context of energy flow through ecosystems, how does energy first enter a pond ecosystem?
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52. Ecosystems
Energy Flow Through Ecosystems
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In the context of energy flow through ecosystems, what is the primary role of producers?
A
They break down dead organic matter and recycle nutrients back into the environment.
B
They obtain energy by consuming producers and other organisms and converting it into biomass.
C
They regulate population sizes by preying on herbivores and other consumers.
D
They convert solar (or chemical) energy into chemical energy stored in organic molecules, forming the base of the food web.
Verified step by step guidance1
Step 1: Understand the concept of energy flow in ecosystems, which describes how energy moves from one organism to another through feeding relationships.
Step 2: Identify the role of producers, also known as autotrophs, which are organisms like plants, algae, and some bacteria that can produce their own food.
Step 3: Recognize that producers convert solar energy (through photosynthesis) or chemical energy (through chemosynthesis) into chemical energy stored in organic molecules such as glucose.
Step 4: Realize that this stored chemical energy in producers forms the base of the food web, providing energy for all other organisms (consumers) in the ecosystem.
Step 5: Differentiate producers from other groups: decomposers break down dead matter, consumers obtain energy by eating other organisms, and predators regulate populations, but only producers create new energy input into the ecosystem.
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