Lecture 3 Flashcards
phytoplankton are broken up into two categories
?
diatoms
dinoflagellates
dinoflagellates
single cell
lack silica shell
cannot swim
can be very toxic
diatoms
hard shell
can swim
Phytoplankton blooms
winter spring and summer
benthos?
two major groups: suspension feeders and deposit feeders
Unconsumed material settles to
bottom to bottom dwellers
what happens to nutrients as phytoplankton increases
it decreases
more chlorophyll means
more phytoplankton
zooplankton include
copepods-antennas able to detect motion
protozoans-cilia that move food into their mouth
oysters are ___feeders
suspension
deposit feeders are important because?
they recycle the organic material and nutrients are brought back up to the surface
they stir the sediment
Phytoplankton fueled?
by dissolved nutrients
Phytoplankton eaten partially
by zooplankton
Why salt marshes
- Supports lots of marine organisms
- Protects shoreline against storm surge
- Interacts to support bivalve beds such as oyster beds
- Major environment on Long Island
Salt marshes are ___
accretionary environments
Marsh spartina plants are spread by means
of a
rhizome system