Modes of life
Organisms have evolved to live in all enviroments. they live in various parts of the water column, on or in the sediment. They may hunt, scavenge or filter feed. they may swim ,float,crawl or remain fixed in one position.
Benthonic- Organisms that live on or in the sea floor
Infaunal- Organisms that live in the sediment, usually in a burrow many will filter feed
Epifaunal- Organisms that live on the sediment
Vagrant- Organisms that move around of the sea floor
sessile- organisms that dont move aroun on the sediment
Pelagic- Organisms lives in the water column
Planktonic- Floats in the water column to wherever the currents will take the organism
Nektonic- Actively swims in the water comlumn. Most are scavengers or predators
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