2.1 Energy Flow in Ecosystems. Biomass is the total mass of all living things in a given area. (measured in g/m 2 or kg/m 2) Organisms interact with the ecosystem by: Obtaining food from the ecosystem Contributing energy to the ecosystem. Energy Flow in Ecosystems.
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CO2 + H2O + sunlight C6H12O6 + O2
- Decomposers break-down wastes &
dead organisms, through the process of biodegradation.
This dung beetle is a detrivore.
carnivores or top consumers
4. Omnivores- consumers that eat both
This food web represents a terrestrial ecosystem that could be found in British Columbia.
This shows the importance of maintaining large, biodiverse
populations at the lowest levels of the food pyramid.