A. Increasing population &
consumption; Too little recycling;
Shortage of landfill sites
A. The protection, preservation
and wise management of
endangered plants and animals
Q. What is meant by nitrogen
fixation?
Q. State one conservation practice
from agriculture.
A. The conversion of nitrogen into
nitrates
A. e.g. control of fertiliser usage
Q. Name an important group of
biomolecules that plants make from
nitrates.
Q. Suggest two reasons for
conserving wild species.
A. Proteins
A. Recreational; Food supplies;
Possible sources of drugs; Prevent
Q. The term used to describe microextinction; Biodiversity
organisms and other organisms that
return nutrients to the environment Q. State one conservation practice
by decay is …
from fisheries.
A. e.g. control of mesh size
A. Decomposers
Q. Explain the term ectoparasite.
Q. Outline the problems associated
with the disposal of waste.
A. Toxicity; Non-biodegradable;
A. Organism living on host causing Pollute rivers; Availability of landdamage
fill; Incineration causes toxins
Q. What is meant by nitrification?
Q. State one conservation practice
from forestry.
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A. The process of converting
ammonia into nitrites and/or
A. e.g. plant trees
nitrites to nitrates
Q. Farmers add nitrates as fertilizers Q. Suggest two ways of minimising
to the soil, but not when heavy rain
waste.
is forecast. Why not?
A. Fertiliser may be washed off the
land; Eutrophication
Q. Name a group of organisms
involved in nitrogen fixation.
A. Reduce; Recycle; Re-use
Q. Give an example of the use of
micro-organisms in waste
management.
A. Landfill sites; Sewage treatment
plants; Digesters; Compost heaps
A. Bacteria; Monera; Lichens;
Clover; Legumes
Q. Explain the term decomposition.
A. Decaying; Rotting
Q. Why are elements recycled in
nature?
Q. Give an advantage for the
incineration of domestic waste.
A. Amount of waste greatly
reduced; Useable heat; Reduced
landfill
Q. Suggest why continual
monitoring of the environment is
valuable.
A. To detect change(s) early;
To remedy effect of change;
To detect levels of pollutants
A. Limited supply or words to that
affect or reused
Q. What is meant by pollution?
Q. Give a disadvantage for the
incineration of domestic waste.
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A. The harmful addition to the
environment by humans
Q. Give an example of a human
activity that results in the pollution
of air.
A. Harmful products produced
Q. Give an example of a human
activity that results in the pollution
of water.
A. e.g. fertiliser run-off
A. e.g. burning fossil fuels
Q. Explain conservation in relation
to wild plants and animals.
Q. Why is waste management
becoming an increasingly difficult
problem?
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Follow-me Quiz
Follow-me Quiz
1.4.8 Nutrient Recycling
1.4.9 Human Impact on an
Ecosystem
1.4.8 Nutrient Recycling
1.4.9 Human Impact on an
Ecosystem
Follow-me Quiz
Follow-me Quiz
1.4.8 Nutrient Recycling
1.4.9 Human Impact on an
Ecosystem
1.4.8 Nutrient Recycling
1.4.9 Human Impact on an
Ecosystem
Follow-me Quiz
Follow-me Quiz
1.4.8 Nutrient Recycling
1.4.9 Human Impact on an
Ecosystem
1.4.8 Nutrient Recycling
1.4.9 Human Impact on an
Ecosystem
Follow-me Quiz
Follow-me Quiz
1.4.8 Nutrient Recycling
1.4.9 Human Impact on an
Ecosystem
1.4.8 Nutrient Recycling
1.4.9 Human Impact on an
Ecosystem
Follow-me Quiz
Follow-me Quiz
1.4.8 Nutrient Recycling
1.4.9 Human Impact on an
Ecosystem
1.4.8 Nutrient Recycling
1.4.9 Human Impact on an
Ecosystem
Enter Topic Title in each section above
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