Food Webs
Energy Flows & Nutrients Cycle
In this guide we explore how organisms are connected by movement of energy and nutrients.
Video Overview
We will begin with this guide overview video.
You can select the closed captioning “cc” option if you would like to see the text.
Food Webs Lecture Guide Contents
This guide and lecture material are assessed on the weekly quiz.
Food Webs Objectives
Functional Groups
Describe the ecosystem roles of producers, consumers, and decomposers; and provide examples of organisms representing different functional groups.
Biomass
Explain how energy is lost at each trophic (feeding) level; discuss the parts of a seed and the process of germination; and provide examples of commercially significant seeds.
Energy & Nutrients
Describe how energy flows and nutrients cycle within a food web; classify different types of dry and fleshy fruits; and provide examples of different forms of fruit and seed dispersal.
Decomposers
Explain the role of decomposers in nutrient cycling; define and provide examples of scavengers and detritivores; and list the characteristics and functions of bacteria and fungi.
