module 2: primary producers

marine bio

Gambierdiscus

• Dinoflagellates

• produces ciguatoxin

Pseudo-nitzschia

• Diatom

• produces domoic acid: causes loss of short term memory and GI symptoms in humans

Pennate Diatoms

• bilateral symmetry

Centric Diatoms

• radially symmetric

What are the cell walls of Diatoms made of?

silica

Dinoflagellates

2 flagella

cell walls made of cellulose

can cause HAMs like “red tides”

Diatoms

type of protists

can be found in chain or singular

Cyanobacteria

synechococcus, prochlorococcus, trichodesium

Pikoplanton

must abundant type of photoplankton in the ocean

includes: synechococcus and prochlorococcus

Synechococcus

type of pikoplankton

Prochlorococcus

type of pikoplankton

Trichodesmium

big cyanobacteria

“sea sawdust”