Curated OER
Observing the Nutritional Relationships in an Ecosystem
Make learning about food webs fun and fascinating for your fifth graders.
Curated OER
Understanding Interactions Among Local Species and the Local Environment
Students examine the differences between biotic and abiotic factors, explain the difference between habitat and niche and compare how organisms get their nutritional needs. For this local environment lesson students trace the path of...
Curated OER
Trophic Ecology of Humans
students analyze the place of humans among the tropic levels by observing what we eat. They calculate the caloric content of several foods commonly eaten by humans and calculate the total energy cost to grow, process, transport, store...
Curated OER
Trophic Ecology of Humans
Students analyze the trophic level of humans by first calculating the kilocalories in own their lunch. They then calulate the kilocalories in a wide variety of foods found in grocery stores and compare the kilocalories needed to acquire...