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Food chains and Food webs (Food web (A number of food chains joined…
Food chains and Food webs
Food web
A number of food chains joined together
First order
Second order
Third order
Fourth order
Food chain
1st trophic level (producer)
Grass
2nd trophic level (consumer of 1st trophic)
Grasshopper
3rd trophic level (comsumer of 2nd)
Frog
4th trophic level (consumer of 3rd)
Snake
An animal/creature that supplies food
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An organism that consumes the producers food or the producer
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Ecosystems
A community
Living organisms in them
Physical environment
Abiotic factors
Non living organisms
Biotic Factors
Living organisms
Direction of arrow is the flow of energy