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Science Explainer: Energy flow and the 10 percent rule

By Formative Staff
Last updated 4 months ago
3 Questions
Note from the author:
Read the passage Energy flow and the 10 percent rule. Then answer the questions below.
Read the passage Energy flow and the 10 percent rule. Then answer the questions below.
Required
Drag each answer choice into the correct space. Not all answer choices will be used.

The maximum number of trophic levels most ecosystems can support is _________ because only ______________________ percent of energy is passed from one trophic level to the next. The majority of the remaining energy is lost as ______________________ .
Other Answer Choices:
five
four
biomass
heat
ten
Required

Drag each organism into the correct box that matches its trophic level.

  • deer
  • phytoplankton
  • moss
  • butterfly
  • owl
  • rabbit
  • Primary producers
  • Primary consumers
  • Secondary consumers
Required

Which are true about trophic levels and the food chain? Select three correct answers.