biology test

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  • Created by: lotsf
  • Created on: 30-11-17 21:36
what is ecology?
the scientific study of the distributions, abundance and relations of organismd and their interactions with the environment
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what is population
a group of individuals of the same species at a particular place at a particular moment in time
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what is a community
a group of populations occupying a particular place at a particular moment in time
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what is a species
a group of organisms similar enough to breed
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what is a habitat
the place inhabited by a specific organsim
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what are some abiotic factors that affect the different populations in a community
climate, rainfall, atmosphere, temprature, oxygen, co2 availability, soil and light
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biotic factors
foodchans and webs, competition for resources and human impact
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whats one of the main biotic factors for relationships between different organisms
feeding relationships
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what does a food chain show
the flow of energy in an ecosystem
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what is a food web
shows the inter connected food chains i an ecosystem
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what is a pyramid of biomass
an accurate indication of how much energy is passed on at each trophic level
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how can u represent the numbers of organisms in a food chain
in a pyramid
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what is biomass
biomass is the mass of living material in each organism multiplied by the total number of organisms on that trophic level
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what happens when a herbivore consumes the produer
energy is used in different ways, some is used for metabolism and movement some for heat to the surroundings some is lost in faeces
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Other cards in this set

Card 2

Front

what is population

Back

a group of individuals of the same species at a particular place at a particular moment in time

Card 3

Front

what is a community

Back

Preview of the front of card 3

Card 4

Front

what is a species

Back

Preview of the front of card 4

Card 5

Front

what is a habitat

Back

Preview of the front of card 5
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