[[1]] and ____ are the two types of the food chain.

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Detailed Solution

Concept: The relationship showing consumption of an organism being eating another organism to attain energy for survival is commonly termed as food chain.
The network starts from green plants (producers) and lasts till predators (consumers).
Grazing and detritus are the two types of the food chain.
There are two types of food chains:
Grazing food chain which starts with green plants or producers.
The energy then passes through herbivores to the carnivores.
The energy required in the producers is given out by the process of photosynthesis.
Detritus food chain starts with dead organic matter and the energy passes into decomposers and detritivores, which are then further eaten by smaller organisms like carnivores.
Hence, grazing and detritus are the correct answers.

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