Determine the rate of change in beak length from 1984 to 2000 - AQA - GCSE Biology Combined Science - Question 4 - 2021 - Paper 2
Question 4
Determine the rate of change in beak length from 1984 to 2000.
Use Figure 4.
Mean beak length in 1984: 13.55 mm
Mean beak length in 2000: 13.60 mm
Rate of change ... show full transcript
Worked Solution & Example Answer:Determine the rate of change in beak length from 1984 to 2000 - AQA - GCSE Biology Combined Science - Question 4 - 2021 - Paper 2
Step 1
Mean beak length in 1984 and 2000
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Answer
From Figure 4, the mean beak length in 1984 is 13.55 mm and in 2000 is 13.60 mm.
Step 2
Calculating the change in beak length
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Answer
The change in beak length from 1984 to 2000 is calculated as follows:
extChange=13.60extmm−13.55extmm=0.05extmm
Step 3
Calculating the rate of change
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Answer
To find the rate of change, we divide the change in beak length by the number of years between 1984 and 2000:
