'Dead stuff' diaporamas de présentation

Soil Use and Abuse

Soil Use and Abuse. Chapter 11 APES January 2007. Objectives. Define the roles of living organisms, physical forces, and other factors on creating and maintaining fertile soil.

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418 views • 10 slides

Simple Food Gardening!

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Food Webs in Nature

211 views • 6 slides

The Flow of Energy Through an Ecosystem

The Flow of Energy Through an Ecosystem. By: Heather N. Montgomery. Food Chains. A food chain shows the relationships among plants, animals, and other organisms in an ecosystem. Energy flows through an ecosystem by way of food chains. What is an Ecosystem?.

266 views • 6 slides