be sure to note differences Relate nutrients and oxygen dissolved in seawater in open ocean as go down in ocean (explain graph) Ecosystems : v Primary producers, heterotrophs, decomposers v Food chain vs. food web v Energy transfer: more efficient when short food chain - Antarctic example v Trophic levels: Open ocean usually has 5 or more levels
(Open ocean; has; 5 or more levels; T:usually) (nutrients and oxygen; dissolved; in seawater in open ocean)
Open ocean nutrients and oxygen
has dissolved
5 or more levels T:usually
in seawater in open ocean