Dead organisms {detritus}| are 30% of ocean food and 90% of forest food.
Consumer organisms {holozoic} can digest food.
Animals can be plant eaters {herbivore}|.
Animals can be meat eaters {carnivore, food chain}|.
Animals {omnivore}| can eat all food types. Omnivores have the most and the most-varied activities.
Bacteria and other microconsumers {saprotroph} {saprophytic organism} can absorb dead and decaying organic matter.
Producer organisms {autotroph} can synthesize food from inorganic materials, by photosynthesis or chemosynthesis.
Consumer organisms {heterotroph} can eat autotrophs or dead organic matter.
Bacteria and other microconsumers {osmotroph} can intake nutrients from water.
Predators and macroconsumers {phagotroph} eat other living organisms.
Organisms {aerobe}| can use oxygen as electron acceptors to oxidize other molecules, to get energy.
Organisms {anaerobe}| can use sugars, not oxygen, to get energy.
Organisms {facultative aerobe} can use either oxygen or sugars but prefer oxygen to get energy.
Organisms {obligate anaerobe} can use sugars to get energy.
Ocean organisms {benthos} can be bottom dwellers.
Ocean organisms {nekton} can be swimming animals.
Ocean organisms {pelagic}| can be open-water dwellers.
In oceans, animal masses in deep scattering layer (DSL) rise at night and fall by day {vertical migration}|.
Organisms {plankton}| can float.
Plankton {phytoplankton} can be floating plants.
Plankton {zooplankton} can be miniscule animals.
4-Ecology-Community-Food Chain
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Date Modified: 2022.0225