Populations Definitions

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Population
All the individuals of a particular species in a particular habitat at a particular time.
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Habitat
An area where a population lives and finds the nutrients, water, living space and other essentials it needs to survive.
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Ecological Niche
Describes an organisms role within a habitat.
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Community
All the populations in an area.
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Physical environment
All the habitats in an area.
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Ecosystem
A community of organisms that interact with each other and with the physical environment in which they are found.
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Carrying capacity
A level that can be sustained by the available nutrients and the number of (a particular organism e.g. plants) dying is matched by the number of new plants produced.
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Biotic factors
The effects of other organisms of the same or different species
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Abiotic factors
The effects of factors in the physical environment (e.g. light, temperature, carbon dioxide concentration, oxygen concentration).
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Intraspecific competition
Competition between members of the same species operates in two ways: 1) Reducing the resources of all the population can reduce fertility and so reduce population growth. 2) Reducing the resources of just some of the population (as others compete mo
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Other cards in this set

Card 2

Front

An area where a population lives and finds the nutrients, water, living space and other essentials it needs to survive.

Back

Habitat

Card 3

Front

Describes an organisms role within a habitat.

Back

Preview of the back of card 3

Card 4

Front

All the populations in an area.

Back

Preview of the back of card 4

Card 5

Front

All the habitats in an area.

Back

Preview of the back of card 5
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