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marine part 2
n/a
23
Biology
12th Grade
11/15/2012

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Term
macrophyte
Definition
macroaglae, seaweed
Term
thallus
Definition
complete body of a seaweed
Term
blades
Definition
leaf-like portion of the thallus of a seaweed
Term
pneumatocysts
Definition
a gas-filled bladder in seaweeds
Term
stripe
Definition
the stem-like portion of the thallus of seaweeds
Term
holdfast
Definition
the root-like portion of the thallus of a seaweed
Term
green algae
Definition
seaweeds in which chlorophyll is not masked by other pigments
Term
green algae
Definition
seaweeds in which chlorophyll is not masked by other pigments, examples are ulva sea lettuce and surf grass
Term
brown algae
Definition
seaweeds with a predominance of yellow and brown pigments
Term
fucoxanthin
Definition
the yellow to golden brown photsynthetic pigment of brown algae
Term
rockweeds
Definition
brown algae such as fucus that inhabit rocky shores in temperate areas
Term
kelps
Definition
large size and complexity, form dense kelp beds or kelp forests
Term
red algae
Definition
seaweeds that contain characteristic red pigments
Term
phycobilins
Definition
a group of photosynthetic pigments that includes phycocyenin, a bluish pigment in cyanobacteria, and a phycoerythrin a red pigment in red algae
Term
coralline algae
Definition
red algae that deposit calcium carbonate in their thallus
Term
encrusting algae
Definition
describing an organism that grows as a crust over rocks and other hard surfaces
Term
algin
Definition
a phycocolloid extracted from brown algae that is widely used in food processing
Term
carrageenan
Definition
a phycocolloid extracted from red algae that is widely used in food processing
Term
agar
Definition
a commercially important phycocolloid extracted from red algae
Term
seagrasses
Definition
grass-like flowering plants such as eelgrass that are adapted to live at sea
Term
cordgrasses
Definition
salt-tolerant grasses, species of spartina, inhabit salt marches
Term
halophyte
Definition
a salt-tolerant terrestrial plant
Term
mangrove
Definition
shrubs and trees that live along the seashore in tropical and subtropical regions and tolerate inundation by seawater
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