Barnacle and a whale
Mistletoe and tree
Epiphytic orchid and tree
Bacteria and soil
Earthworms and nutrients
Moisture and minerals
Fertilizer and decomposers
Energy flows into living organisms and remains there, while chemical compounds are transferred from organism to organism.
Chemical compounds flow in one direction in a food chain and energy is produced.
Energy is transferred from organism to organism in a food chain and chemical compounds are recycled.
Energy flows out of living organisms and is lost, while chemical compounds remain permanently inside organisms.
Who is eaten by whom
Who eats who
Burning of fossil fuels
Decomposition of organic matter
Bacteria in root nodules
While one organism benefits, the other is unaffected
While one organism is harmed, the other is benefitted
Both organisms are benefitted
Both organisms are harmed
Bacteria is root nodules