The graph below shows the average growth rate of body organs in males - Scottish Highers Human Biology - Question 18 - 2015
Question 18
The graph below shows the average growth rate of body organs in males.
What is the ratio of total growth of br... show full transcript
Worked Solution & Example Answer:The graph below shows the average growth rate of body organs in males - Scottish Highers Human Biology - Question 18 - 2015
Step 1
Determine the growth percentage of the brain at 8 years
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Answer
From the graph, locate the point on the brain growth curve corresponding to 8 years. This indicates the percentage of total growth for the brain.
Step 2
Determine the growth percentage of the skeleton at 8 years
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Answer
Similarly, find the point on the skeleton growth curve at 8 years to see the percentage of total growth for the skeleton.
Step 3
Calculate the ratio of brain growth to skeleton growth
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Answer
Let Brain Growth = X% and Skeleton Growth = Y%. The ratio can be calculated as:
extRatio=YX
This will provide the ratio in the required format.
Step 4
Select the correct option
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Answer
After calculating the ratio, match it with the provided options (A, B, C, D) to find the correct answer.
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