Question detail
Which of the following best describes a food chain?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Section B: The living world
Question
- A. A complex network of feeding relationships
- B. A linear sequence of organisms where each is eaten by the next
- C. A diagram showing the distribution of species
- D. A representation of nutrient cycling
Answer
The correct answer is A linear sequence of organisms where each is eaten by the next.
Explanation
The correct option is A linear sequence of organisms where each is eaten by the next. A linear sequence of organisms where each is eaten by the next is correct because it directly matches the approved learning objective to interpret food chains, food webs and nutrient cycling within an ecosystem. This belongs to Ecosystems within Section B: The living world, so the answer must stay focused on the geographical process, evidence, place, or impact named by the curriculum. The other options are weaker because they move away from Ecosystems, reverse the geographical relationship, or make a broader claim than the objective supports.
Common mistake
Misunderstanding Food Webs
Students often confuse food chains with food webs, thinking they are the same.
Emphasize that a food chain is a linear sequence of organisms, while a food web consists of multiple interconnected food chains showing the complex feeding relationships in an ecosystem.
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