Ecosystems Quiz

An ecosystem is a complex system consisting of all the organisms and the physical environment with which they interact.

Biotic and abiotic components are linked together through nutrient cycles and energy flows.

Energy enters an ecosystem through photosynthesis and is incorporated into plant tissue.

<p>Animals play an important role in the movement of matter and energy through the ecosystem by feeding on plants and on one another.</p> Signup and view all the answers

<p>Decomposers break down dead organic matter, releasing carbon back to the atmosphere and facilitating nutrient cycling by converting nutrients stored in dead biomass back to a form that can be used by plants and microbes.</p> Signup and view all the answers