Estimated time of Completion: Activity and discussion can take up to 2 90-minute blocks depending on the amount of research Food webs show the interaction of different producers and consumers in an ...

Secondary production of species in multi-species assemblages can be used to quantify bottom-up linkages with flow webs, top-down linkages with ingestion/production webs and trophic position Secondary ...

Confused about the difference between food chains and food webs? Don't worry, you're not alone. But we can help you sort it out. Here's everything you need to know about food chains and food webs, and ...

A principal aim of ecologists is to identify critical levels of environmental change beyond which ecosystems undergo radical shifts in their functioning. Both food-web theory and alternative stable ...

In 1910, farmers earned 40 cents for every dollar in sales. Today, they only earn a penny from each dollar, the result of a drastic consolidation of farm ownership centered on a few big commodity ...