The structure of food webs suggests that productivity ... In a trophic cascade, predators induce effects that cascade down the food chain and affect biomass of organisms at least two links away ...
27d
As the industry scrambles to implement new laws on tracing and recalling contaminated food, lives, jobs, and billions of ...
They could be reasons the traditional fast-food chains are losing their edge ... Restaurants are a part of the millennials' social structure, and they choose to spend less at meals so that ...
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