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Ecosystem The interaction between a community of living organisms and…
Ecosystem
The interaction between a community of living organisms and their environment
The Components of Ecosystem
Decomposers
Organism that break down dead material and help to recycle nutrients
The physical enviroment
All the non-biological components of the ecosystem; for example, the water and soil in a pond or the soil and air in a forest
Consumers
Animals that eat plants or other animals
Producers
Plants which photosynthesise to produce food
Interactions between Ecosystem
Parasitism
commensalism
Mutualism
Amensalism
Food Chain
Definiton
A food chain shows the transfer of energy from one organism to the next.
The food chain consists of four major parts
The Sun
Producers
Consumers
Decomposers
Food Web
Definition
It shows the energy flow through part of an ecosystem
In a food web, changes in the population of one organism have an effect on the populations of other organisms.
A food web is a network of interconnected food chains
Example
This the food web of the salmon
Pyramid of Ecology
Ecological pyramids are diagrams that represent the relative amounts of organism at each trophic level in a food chain.
Pyramids of numbers
Pyramids of biomass
