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O Lecture 10/22/10
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Where does the name plankton come from?
Greek for aimless wanderers
Plankton plants
phytoplankton
plankton animals
zooplankton
plankton animals with one plankton stage
Necton
active swimmer
ex
: fish turtles, squid, etc.
Pelagic - Plankton
incappable of sustained, directed horizontal movement
Pelagic - Nekton
swim
What are organisms that do primary production called
autotrophs
Chemical equation for primary production
CO
2
+ H
2
O + Light -> OM + O
2
Phytoplankton account for how much of Global Primary Production
47%
Phytoplankton account for how much of the earth's biomass
.2%
Diatoms need what element?
Si
Where are diatoms important
coastal areas and spring blooms
Centrals usual take what form
marine
centrals have what shape
radial symmetry
penne shape
Can Centrals swim?
No
How many cells do dionflagellates have/
1
How many flagellae do dioflagellates ahve
2
What do dinoflagellates look like?
bioluminuscent
What do dinoflagellates cause
harmful algal blooms
how many dioflagelates are there
6-8 million/L
When are blooms harmful
1. shading (blocking the sunlight)
2. Oxygen Depletion (excessive respiration or decomp
3. Mechanical irrition (damaging fish gills)
Author
green29dive5
ID
47039
Card Set
O Lecture 10/22/10
Description
Plankton I
Updated
2010-11-03T16:07:36Z
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