About this document
Understanding Ecosystems and Energy Flow is a document available to read on EtoBox.
This document summarizes key concepts about ecosystems and biogeochemical cycles. It defines an ecosystem as an association of organisms and their environment interconnected by energy flow and material cycling. It describes producers, consumers, and decomposers, and explains trophic levels in food webs and pyramids. Key biogeochemical cycles discussed include the carbon, water, nitrogen, phosphorus, and sulfur cycles. Human impacts like agriculture, deforestation, and fossil fuel use affect nutrient availab
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