Lessons
Introduction to Ecosystems
Sampling, Investigation, Biodiversity
A LEVEL - PAPER 1 2015 - QUESTION 11
Good example of an extended response question on the study of a habitat. For a)ii Describe the patterns in the graph, using appropriate terminology where possible and trying to link these patterns to possible explanations. The focus should be on the distribution patterns in the graph, throughout.
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Population Key Terms
Biodiversity, Phylogeny, Captive Breeding
AS LEVEL - PAPER 2 2017 - QUESTION 3
Don't spend too much time on one or two mark questions. Try to keep answers concise - give enough points for the number of marks. For c) Think logically and relate your answer back to this specific example.
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Abundance & Distribution of Organisms
Data Analysis, Cells
A LEVEL - PAPER 1 2018 - QUESTION 7
For b) iii it's crucial that you bear in mind the information given to you in the first part of the question. Describing the patterns in the data are where most of the marks are here.
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Investigating Populations - Sampling
Sampling, Investigation, Biodiversity
A LEVEL - PAPER 1 2015 - QUESTION 11
Good example of an extended response question on the study of a habitat. For a)ii Describe the patterns in the graph, using appropriate terminology where possible and trying to link these patterns to possible explanations. The focus should be on the distribution patterns in the graph, throughout.
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Succession
Devise an Investigation
A LEVEL - PAPER 1 2017 - QUESTION 9
Part a) simply requires you to describe the data in the table. b) is trickier as you'll have to think on your feet. Think through common considerations for practicals and your standard habitat investigations then consider how you could apply these to this compost heap scenario.
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Productivity
Productivity, Graph Skills, Maths Skills
A LEVEL - PAPER 1 2015 - QUESTION 6
Remember to include the appropriate units when calculating percentage efficiency. For b) iii describe the changes in the graph using the appropriate terminology relating to succession.
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Energy Transfer through Ecosystems
Energy Transfer, Productivity, Percentages
A LEVEL - PAPER 1 2019 - QUESTION 2
Some good examples of a range of energy transfer calculations.
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