2005 Managing Environmental Resources
Intermediate 1
Finalised Marking Instructions
These Marking Instructions have been prepared by Examination Teams
for use by SQA Appointed Markers when marking External Course
Assessments.
2005 Managing Environmental Resources: Intermediate 1
Marking Scheme
Question 1
(a)
(i)
(ii)
1.
Natural – Beach or wood or sand dunes or river or sea or cliffs
2.
Semi-natural – wood or path
3.
Built – car park or roadside or visitor centre
1.
Sand (dunes)
2.
Rocks or rockpool
3.
Beach or cliffs
1 or 2 correct = 1 mark
4 correct = 2 marks
(2)
(iii) Easy access or easy to spot when passing by
(iv)
(2)
(1)
For:
•
•
•
•
easy access
encourages tourism to local industry or community
variety of trekking routes
plenty of space
(1)
Against:
(b)
(c)
•
•
•
damage to environment
road accidents to horses
too near the road traffic
1.
Guided walks or audio visual presentations
2.
Activities such as bird watching or pond dipping
•
•
•
•
Habitat for different organisms
Source of food
Shelter
More raw materials
(1)
Any one
(2)
(1)
Total 10 marks
Page 2
Question 2
(a)
(i)
•
•
•
•
Herring
Cod
Grey seal
Mollusc larva
Any one
(ii)
(1)
Plant plankton → Mollusc larva → Herring or cod → Grey seal
1 for organisms, 1 for arrow
(iii) •
•
•
(b)
(c)
(2)
Movement
Heat
Indigestible material
Any one
(1)
Increase
(1)
Increase in seal population would decrease herring and cod population so less
predation molluscs or less predation by herring or cod
(1)
•
•
•
Minerals must not be locked up in dead organisms
Minerals need to be recycled otherwise they would run out
Decomposers help to recycle minerals
Any one
(1)
Total 7 marks
Page 3
Question 3
(a)
(i)
(ii)
•
•
Pie chart correct sectors
Correct labels
•
•
•
Wind
Solar
Wave
(2)
Any one
(1)
(iii) Advantage:
•
•
•
•
reliable
habitat for wildlife
fishing
renewable
Any one
(1)
Disadvantage:
•
•
•
floods land
eyesore
destroys habitats
Any one
(iv)
(b) (i)
(ii)
•
•
•
(1)
Fossil fuels or non-renewables running out
Reduce pollution
Improved technology
Any one
(1)
43 – 19 = 24%
(1)
50%
(1)
(iii) •
•
Exhaust fumes have SO2
this dissolves in rain to fall as acid rain
(2)
Total 10 marks
Page 4
Question 4
(a)
(i)
(ii)
•
•
Any one
(1)
•
•
(1)
(iii) •
•
•
(b) (i)
(ii)
Numbers are declining
May be going extinct
The range of species in a habitat or ecosystem
All the animals and plants
RSPB
SNH
WWF
Any one
(1)
80%
(1)
1. Removed eggs or killed adults
2. Removed nest or destroyed habitat or frightened birds away
Any two
(iii) •
•
•
•
(2)
Monitoring by rangers etc
Video surveillance
Watching from video
Legislation
Any one
(c)
1.
Short-eared owl
2.
Peregrine
(1)
Both for one mark
(1)
Total 8 marks
Page 5
Question 5
(a)
(i)
Habitat and community
(1)
(ii)
Felling for timber or farmland or building houses
(1)
(iii) Eroded soil goes into rivers or flooding destroys crops or housing
or domestic animals
(b)
(c)
(i)
Any two points – 2 marks
(2)
Provides a variety of food or habitat
(1)
Blue whale → overhunting
Rare orchid → private collector
Mountain gorilla → loss of habitat
Water vole → drainage of wetland
(ii)
1, 2 or 3 correct = 1 mark
4 correct = 2 marks
(2)
WWF or FOE
(1)
(iii) Scottish primrose
(iv)
•
•
(1)
Recycle waste
Composting
Any one
(1)
Total 10 marks
Page 6
Question 6
(a)
(i)
Country
Austria
Belgium
Germany
France
UK
Scotland
% Waste recycled
64
52
48
14
11
7
One mark for titles, one mark for correct order and column.
(ii)
•
Less waste to landfill
•
Less use of non-renewables
Any one
(iii) •
•
•
•
(b) (i)
(ii)
(c)
(2)
(1)
Use compost scheme
Use bottle banks or can banks
Paper collection schemes
Use a recycling bin
Any two
(2)
£2700
(1)
Less sent to landfill
(1)
•
•
Global warming
Air pollution
Any one
(1)
Total 8 marks
Page 7
Question 7
(a)
Fruit or vegetables or flowers or compost
2 for 1 mark
(1)
(b) Flat land or soil or buildings or water
2 for 1 mark
(c)
•
•
•
(1)
Gardener
Shop assistant
Fruit picker
2 for 1 mark
(d) •
•
•
•
(1)
Rainfall level
Timing of rainfall or pattern
Temperature
Wind
Any one
(e)
(1)
Advantage:
•
Provides jobs or shopping facility
(1)
Disadvantage:
•
(f)
Increase in traffic or litter
(1)
Recycling or compost
(1)
(g) Herbivore
(1)
Total 8 marks
Page 8
Question 8
(a)
(i)
(minimum ozone) decrease or downward
(1)
(ii)
1995
(1)
(iii) UV
(iv)
(b) (i)
(ii)
•
•
•
(1)
Skin cancer
Sunburn
Asthma
Any one
(1)
1040 – 160 = 880
(1)
1989 and 1990
Reason – effect of Montreal Protocol resulting in phasing out of CFC’s
(2)
(iii) International
(1)
(iv)
(1)
4:1
Total 9 marks
Page 9
Question 9
(a)
(i)
Decreases
(1)
(ii)
Ling
(1)
•
•
•
•
•
(b)
Temperature
pH
Altitude
Aspect
Wind
Any one
(1)
(c)
Fewer
(1)
(d)
Use a quadrat, count the sections of the quadrat, to express abundance,
throw at random
(2)
Moisture meter
(1)
(e)
Total 7 marks
Question 10
(i)
Target control of grey
(ii) 1.
2.
(1)
Stable population of red with no greys
Declining population of reds with no greys
(2)
Total 3 marks
[END OF MARKING INSTRUCTIONS]
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