Only subscribers can access printable PDFs and other resources, please login or subscribe.

School subscribers can also access more than 200 downloadable bundles in our store for free (a value of $1,500).

District subscriptions provide huge group discounts for their schools. Contact Sheri for a quote.

Biomass Performance Task – Cycling of Matter and Flow of Energy among Organisms in an Ecosystem (HS)

After reading about how much of the energy consumed is transferred to the next trophic level of a food web, complete the following mathematical representation of the relative change in trophic levels in an ecosystem. How many owls might be supported in this food web representation? **This is not meant to be an accurate evaluation of mass or energy, but to show a relative amount of biomass available at each trophic level.
Biomass Performance Task

Current Subscribers: To view or print a PDF of this resource and its answer sheets (and link to any other available resources, like coloring, labeling, drawing pages and more), click the brown buttons at the top of this post. Note that these are only available to subscribers.

Not a Subscriber Yet? Join today to unlock these buttons and enjoy all of Exploring Nature’s resources.