From your knowledge of ecology explain any five of the following terms:
(a) Biosphere - Leaving Cert Biology - Question 1 - 2014
Question 1
From your knowledge of ecology explain any five of the following terms:
(a) Biosphere.
(b) Niche.
(c) Biotic factor.
(d) Trophic level.
(e) Competition.
(f) Sy... show full transcript
Worked Solution & Example Answer:From your knowledge of ecology explain any five of the following terms:
(a) Biosphere - Leaving Cert Biology - Question 1 - 2014
Step 1
Biosphere.
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Answer
The biosphere refers to the regions of the earth that support life, which encompasses land, water, and the atmosphere. It is the global sum of all ecosystems, where interactions among living organisms and their environments occur.
Step 2
Niche.
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Answer
A niche is the specific role or function of an organism within its ecosystem, including its habitat, resource use, and relationships with other organisms. It represents how an organism fits into the ecological community.
Step 3
Biotic factor.
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Biotic factors are the living components of an ecosystem that can affect the organisms within it. This includes interactions with other organisms, such as predation, competition, and symbiosis.
Step 4
Trophic level.
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A trophic level is a step in the food chain or food web that classifies organisms based on their feeding relationships. Each level represents a different stage in the transfer of energy and nutrients through the ecosystem.
Step 5
Competition.
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Answer
Competition occurs when organisms vie for the same resource, such as food, water, or shelter, which is in short supply. This struggle can exist between individuals of the same species (intraspecific) or different species (interspecific).
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