Energy Flow in Ecosystems Practice Test

A coral reef energy-flow model shows: Sunlight   Algae (producer)   Parrotfish (consumer)   Reef shark (consumer). Arrows also go from dead algae/animals and wastes   Decomposers (bacteria). The model note says: energy flows through ecosystems rather than cycling.

Which statement about energy flow is supported by the model?

A tundra energy-flow model shows: Sunlight   Moss (producer)   Lemming (consumer)   Snowy owl (consumer). Arrows also go from dead moss, dead lemmings, dead owls, and wastes   Decomposers (fungi/bacteria). The model states: energy flows through ecosystems rather than cycling.

Which claim about ecosystem energy is incorrect?