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Macroalgae/Seaweeds (Vocabulary (Macroscopic
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Macroalgae/Seaweeds
Vocabulary
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Filamentous
thread-like, cells attached end to end
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Algae
Red Algae (Coralline algae, (builds coral)
Economic importance
food, Carrageenan used as a thickening agent in dairy products such as yogurt, agar used to culture microbes in the healthcare industry, as a thickener in foods, as a filter in pharmaceuticals and cosmetics
Ecological importance
Photosynthesis, provides habitat for surf breaks
Structures
Most abundant type of seaweed, chlorophyll is masked by red pigment
Brown Algae
Economic protection
Shoreline protection seaweeds can reduce wave energy before the waves reach shore, food, algin used as a emulsifier in dairy products
Structures
Majority of seaweeds, largest and most complex structures, yellow- brown pigments
Ecological importance
Photosynthesis, provides habitat for surf breaks
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Multicellular algae that do not have roots, stems or leaves aka seaweed, important primary producers - photosynthetic/ autotrophic = produce energy molecules and oxygen
Marine Plants
Seagrasses
Adaptations for marine life
grow underwater, with flat ribbon like leaves
have horizontal stems that grow underneath the sediment with roots
use sea water to spread pollen
inhabits shallow bays in temperate and tropical regions
Ecological importance
habitats and protection for young fish, shrimp
direct food source for manatees and turtles other algae and small organisms grow in the leaves = more food
Economic importance
stabalizes - cleanse - water
leaves cut down on wave action and currents - protects shoreline
Cordgrasses
Adaptions for marine life
plants bordering shallow bays and tidal creek, cordgrass, spartina is part of the grass family
Spartina are halophytes, salt tolerant but can not be completely submerged
Ecological importance
detritus is a nutrient source for countless organism
provides habitat and a breeding ground for fish, crabs, mussels, snails and other invertebrates
economic importance
filters out storm water pollution
acts as a carbon sink
provides the breeding grounds for organisms
humans harves and eat
Mangroves
Adaptations for marine life
about 80 species of mangrove trees
exsost in any tropical and subtropical areas
mangroves have a thick network of prop roots that are exposed atlow tide
Ecological importance
mangroce forests provide habitat for marine organism such as invertebrates fish, turtles, birds and marine mammels*
Economic importance
roots peruide protection for small fish (fish nursery) for seafood industry
coastline protection
roots prevent erosion
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