Populations

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Define ecology?
The study of the inter-relationships between organisms and their environment.
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What is meant by the term 'abiotic'?
An ecological factor that makes up part of the non-biological environment of an organism (e.g. temp, pH,rainfall, humidity)
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What is meant by the term 'biotic'?
An ecological factor that makes up part of the living environment of an organism (e.g. food availability, competition, predation)
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Define what is meant by 'biosphere'?
The layer of land, air and water that surrounds the Earth.
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Give the two main processes to be considered when looking at an ecosystem?
1. The flow of energy through the system. 2. The cycling of elements within the system
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Define 'population'?
A group of individuals of the same species that occupy the same habitat at the same time.
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Define 'community'?
The populations of different organisms living and interacting in a particular place at the same time.
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Define habitat?
The place where a community of organisms live.
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What is a microhabitat?
The smaller units within a habitat that have their own microclimates.
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What is an ecological niche?
All conditions and resources required for an organism to survive, reproduce and maintain a viable population.
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Other cards in this set

Card 2

Front

What is meant by the term 'abiotic'?

Back

An ecological factor that makes up part of the non-biological environment of an organism (e.g. temp, pH,rainfall, humidity)

Card 3

Front

What is meant by the term 'biotic'?

Back

Preview of the front of card 3

Card 4

Front

Define what is meant by 'biosphere'?

Back

Preview of the front of card 4

Card 5

Front

Give the two main processes to be considered when looking at an ecosystem?

Back

Preview of the front of card 5
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