Ocean organisms are all different, they live and move differerntly so scintists group them according to these
characteristics. It can include living and non-living organisms.
Plankton
Plankton are small algae
and animals that float in
water. Algae plankton
include geometrically
shaped diatoms. They
include tiny fish ,
microscopic crustaceans,
like copepods
Nekton
Nekton are animals that may swimm
freely through the water colum. For
ejample squid, most fishes and marine
like whale areclassified as nekton.
Benthos
Benthos are oganisms
that live in the ocean
floor, animals like
crabs, sea stars ,
octopuses , are
classified as benthos.