A student carried out an investigation to investigate the botanical composition of an old permanent pasture and a new ley - Leaving Cert Agricultural Science - Question Question 1 - 2020
Question Question 1
A student carried out an investigation to investigate the botanical composition of an old permanent pasture and a new ley.
(a) Identify the piece of equipment label... show full transcript
Worked Solution & Example Answer:A student carried out an investigation to investigate the botanical composition of an old permanent pasture and a new ley - Leaving Cert Agricultural Science - Question Question 1 - 2020
Step 1
Identify the piece of equipment labelled C.
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Answer
The piece of equipment labelled C is a quadrat. A quadrat is commonly used in ecological studies to sample areas of vegetation and assess species composition.
Step 2
Select which picture A or B represents the permanent pasture.
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Answer
Picture A represents the permanent pasture.
Step 3
State one reason for your answer in (b).
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Answer
Picture A shows a greater diversity of plant species and a more established vegetation structure, which is characteristic of a permanent pasture compared to the newly laid grass in picture B.
Step 4
Calculate the % frequency of the daisy for this investigation.
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Answer
To calculate the % frequency of the daisy, use the formula:
ext{Frequency} = rac{ ext{Number of quadrats containing daisies}}{ ext{Total number of quadrats}} imes 100
In this case, daisies were found in 5 quadrats out of 10, so:
ext{Frequency of Daisy} = rac{5}{10} imes 100 = 50\\%.
Step 5
State one error that could have occurred while carrying out the investigation.
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Answer
One error that could have occurred is an incorrect placement of the quadrat, leading to a biased sample that does not accurately represent the overall botanical composition of the pasture.
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