B4 - Community Level Systems (Ecosystems)

  • Created by: Yi
  • Created on: 07-12-17 15:00
Intraspecific Competition
competition among organisms from the same species
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Interspecific Competition
competition between two different species of organism
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Compost
dead and decaying plant material
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Decomposer
an organism that breaks down carbon in dead animals and plants
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Decomposition
the process of breaking down material to release nutrients back into the soil.
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Natural Ecosystem
e.g. oceans, lake, puddles and the rainforest
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Artificial Ecosystem
man made e.g. planted forests and fish farms
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Abiotic Factor
physical/non-living conditions that affect the distribution of a population in an ecosystem
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Examples of Abiotic Factors
light, temperature, soil, pH, wind intensity, moisture levels
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Biotic Factors
factors caused by living organisms
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Examples of Biotic Factors
food availability, pathogens, predators, competition between species
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Mutualism
when 2 organisms live together and they BOTH benefit from the relationship
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Parasitism
a relationship between two orgainsms where ONE benefits and the other is harmed
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Trophic Level
feeding positions in a food chain
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Producers
organisms in a food chain that make food using sunlight
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Herbivores
eat plants/algae (producers)
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Carnivores
eat the herbivores, 'meat eaters'
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Biomass
the dry mass of organisms
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Other cards in this set

Card 2

Front

Interspecific Competition

Back

competition between two different species of organism

Card 3

Front

Compost

Back

Preview of the front of card 3

Card 4

Front

Decomposer

Back

Preview of the front of card 4

Card 5

Front

Decomposition

Back

Preview of the front of card 5
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