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  • Chapter 15: Optimizing Food Production

15.1 Humans Eat at All Trophic Levels

Chapter 15: Optimizing Food Production

Chapter 15: Optimizing Food Production

  • 15.1 Humans Eat at All Trophic Levels
  • 15.2 Plants Require Nutrients
  • 15.3 Soil Fertility Is Determined by Soil Structure and Nutrient Retention
  • 15.4 Natural and Synthetic Fertilizers Help Restore Soil Fertility
  • 15.5 Pesticides Kill Insects, Weeds, and Fungi
  • 15.6 There Is Much to Learn from Past Agricultural Practices
  • 15.7 High Agricultural Yields Can Be Sustained with Proper Practices
Trophic Levels

This video is a quick review of the food chain, also known as trophic structure. (Duration: 2:03) (CIS21.4)

 

For Your Further Consideration:

Why are there fewer mice than grasshoppers?

Video Quiz

Watch these additional videos to complete this tutorial.

Table of Videos

  • Chapter 15: Optimizing Food Production
    • 15.1 Humans Eat at All Trophic Levels
    • 15.2 Plants Require Nutrients
    • 15.3 Soil Fertility Is Determined by Soil Structure and Nutrient Retention
    • 15.4 Natural and Synthetic Fertilizers Help Restore Soil Fertility
    • 15.5 Pesticides Kill Insects, Weeds, and Fungi
    • 15.6 There Is Much to Learn from Past Agricultural Practices
    • 15.7 High Agricultural Yields Can Be Sustained with Proper Practices

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