11. (a) Explain the following terms as used in ecology:
(i) Producer - Leaving Cert Biology - Question 11 - 2013
Question 11
11. (a) Explain the following terms as used in ecology:
(i) Producer.
(ii) Niche.
(iii) Habitat.
(b) Climate Change
There is now widespread evidence that the emi... show full transcript
Worked Solution & Example Answer:11. (a) Explain the following terms as used in ecology:
(i) Producer - Leaving Cert Biology - Question 11 - 2013
Step 1
Explain the following terms as used in ecology: (i) Producer.
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Answer
A producer is an organism that makes its own food through processes such as photosynthesis. They are vital components of the ecosystem because they convert solar energy into chemical energy, which supports the food chain.
Step 2
Explain the following terms as used in ecology: (ii) Niche.
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A niche refers to the role or function of an organism within its habitat. It encompasses how the organism obtains its resources, interacts with other species, and contributes to the environment.
Step 3
Explain the following terms as used in ecology: (iii) Habitat.
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A habitat is the natural environment in which an organism lives. It provides the necessary resources, such as food and shelter, that the organism needs to survive.
Step 4
Climate Change (i) Name one greenhouse gas.
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Answer
One greenhouse gas is carbon dioxide.
Step 5
Climate Change (ii) Why are greenhouse gases so called?
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Greenhouse gases are so called because they trap heat from the sun inside the atmosphere, similar to the way a greenhouse retains warmth.
Step 6
Climate Change (iii) What is meant by the term pollution?
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Pollution refers to any harmful addition to the environment that adversely affects the natural balance and can damage ecosystems, health, and the environment.
Step 7
Climate Change (iv) Suggest one way to reduce the levels of greenhouse gases in the air.
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Answer
One way to reduce greenhouse gases is to plant more trees, as they absorb carbon dioxide through photosynthesis.
Step 8
Climate Change (v) Match the terms from the list below to the letters A, B, C, D and E in the diagram.
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A = Decay; B = Photosynthesis; C = Combustion; D = Eaten by; E = Respiration.
Step 9
Improper waste disposal may cause pollution. (i) State any two types of pollution associated with waste disposal.
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Answer
Two types of pollution associated with waste disposal are air pollution and water pollution.
Step 10
Improper waste disposal may cause pollution. (ii) Give one example of a waste associated with agriculture or fisheries.
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An example of waste associated with agriculture is fertilizer runoff.
Step 11
Improper waste disposal may cause pollution. (iii) State how the named waste is managed.
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Fertilizer runoff is managed by implementing buffer zones of vegetation around fields to absorb excess nutrients before they reach water bodies.
Step 12
Improper waste disposal may cause pollution. (iv) Give three ways to minimise waste.
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Three ways to minimize waste include reducing consumption, reusing items instead of discarding them, and recycling materials whenever possible.
Step 13
Improper waste disposal may cause pollution. (v) Give one example of the use of micro-organisms in waste management.
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An example of the use of micro-organisms in waste management is using bacteria to break down organic waste in composting.
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