181 words by a whitespace count. This teaching example has an AI-estimated band, not an official examiner score. Read the commentary, then attempt the question yourself.
“The diagram shows the life cycle of a butterfly.”Model answer
181 wordsP1The diagram illustrates the life cycle of a butterfly, showing the sequence from eggs through the caterpillar and chrysalis stages to an adult butterfly.
P2Overall, the process is cyclical and comprises four main stages. The adult stage leads back to egg laying, so a new generation follows the same sequence. The diagram gives an approximate total cycle time of 30 days, rather than separate durations for each stage.
P3At the beginning of the illustrated sequence, eggs are laid on a leaf. These eggs then develop into a caterpillar, which is also labelled as a larva. The caterpillar stage is followed by the formation of a chrysalis, or pupa. This is the third of the four main stages and comes between the larval and adult phases.
P4An adult butterfly subsequently emerges from the chrysalis. The arrow from the adult stage returns to the eggs, showing how reproduction starts another cycle. Thus, the diagram presents a continuing sequence rather than a linear process ending permanently with the adult. The roughly 30-day period applies to the complete cycle; individual stage lengths are not specified.
Write your answer in the exam workspace and see how your four marks compare to the model’s.
All four stages are covered in sequence with precise terminology: 'larva', 'chrysalis', 'pupa'.
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Points to review
The roughly 30-day total is mentioned twice; one reference could be shortened without adding unsupported stage timings.