Sampling can be used to find out the type and number of living organisms in a habitat - Edexcel - GCSE Biology - Question 1 - 2013 - Paper 1
Question 1
Sampling can be used to find out the type and number of living organisms in a habitat.
(i). Draw one straight line from each piece of sampling equipment to its name... show full transcript
Worked Solution & Example Answer:Sampling can be used to find out the type and number of living organisms in a habitat - Edexcel - GCSE Biology - Question 1 - 2013 - Paper 1
Step 1
Draw one straight line from each piece of sampling equipment to its name.
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Answer
A straight line should be drawn from the sampling equipment items such as:
Pooter
Sweep net
Filter funnel
Pond net
Pitfall trap
Each line must correctly connect one piece of equipment to its name.
Step 2
Estimate the number of daisies in a garden with an area of 20 m².
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Answer
To estimate the number of daisies in a 20 m² garden, we first calculate the average number of daisies per square meter based on the quadrat sample:
Assuming 5 daisies were counted in the 1 m² quadrat:
extTotaldaisies=5imes20=100extdaisies
Step 3
Name two substances that plants need to produce glucose, using light energy from the Sun.
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Answer
Two substances that plants need for photosynthesis to produce glucose are:
