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18. Difference between biotic, abiotic, food chain and food web

Drag the difference between food chain and food web:

Answer variants:

Members of higher trophic level feeds
upon a number of alternative organism
from the lower trophic level

Consists of only \(4\) - \(5\) trophic
levels of different species

Consists of numerous trophic
levels of different species

Members of higher trophic level feeds
upon a single type of organism from
the lower trophic level

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