Autotrophs (producers)
Receive carbon from CO2 (plants).
Heterotrophs (consumers & bottom feeders)
Rely on producers or other consumers for carbon (animals).
Decomposers
Bacteria and fungi that digest organic debris and wastes outside their bodies.
Food web
Interconnected food
chains.
Food chain
Energy flows from producers to consumers and eventually detritivores.
Ecological succession
When a community is disturbed where most, if not all, species are eliminated.