Multiple Choice
What process do consumers perform to break down food molecules for energy?
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8. Respiration
Introduction to Cellular Respiration
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In the context of cellular respiration, where do consumers primarily obtain their energy?
A
From inorganic compounds through chemosynthesis
B
By absorbing nutrients directly from the soil
C
From the sun through photosynthesis
D
By consuming other organisms
Verified step by step guidance1
Understand that cellular respiration is a process used by cells to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.
Recognize that consumers, also known as heterotrophs, are organisms that cannot produce their own food and must obtain energy by consuming other organisms.
Differentiate between autotrophs and heterotrophs: autotrophs, like plants, produce their own food through photosynthesis or chemosynthesis, while heterotrophs rely on consuming other organisms for energy.
Identify that the primary source of energy for consumers is the organic compounds found in the organisms they consume, which are broken down through cellular respiration to release energy.
Conclude that consumers primarily obtain their energy by consuming other organisms, as they rely on the organic matter from these organisms to fuel cellular respiration and produce ATP.
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