1. 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
1. Sampling can be used to find out the type and number of living organisms in a habitat.
(a) (i). Draw one straight line from each piece of sampling equipment to i... show full transcript
Worked Solution & Example Answer:1. 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
You may draw a line from the diagram of the equipment (such as a pooters, sweep net, filter funnel, pond net, or pitfall trap) to the corresponding names, demonstrating an understanding of sampling methods in biology.
Step 2
Estimate the number of daisies in a garden with an area of 20 m².
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Answer
From the diagram, if there are 5 daisies in a 1 m² quadrat, then in 20 m²:
total
daisies = 5 imes 20 = 100
Thus, you estimate there are approximately 100 daisies in the garden.
Step 3
Name two substances that plants need to produce glucose, using light energy from the Sun.
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Answer
The two substances that plants need to produce glucose are:
Water
Carbon dioxide
These substances participate in photosynthesis, which is powered by light energy from the Sun.
