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Marine PlantsMarine Plants
Kingdom PlantaeKingdom Plantae
Multicellular AlgaeMulticellular Algae
StructureStructure Lack leaves, stems and rootsLack leaves, stems and roots Body is called ThallusBody is called Thallus Blade is the flat leaf like structureBlade is the flat leaf like structure Pneumatocyst are the gas-filled bladders Pneumatocyst are the gas-filled bladders
that help it floatthat help it float Stipe is the stem like portionStipe is the stem like portion Holdfast anchors the plant to the bottomHoldfast anchors the plant to the bottom
All multicellular algae undergo All multicellular algae undergo photosynthesisphotosynthesis
Lack vascular tissueLack vascular tissue Leaves are different from land plantsLeaves are different from land plants Economic importanceEconomic importance
Food, starch-like chemicals, emulsifier in dairy Food, starch-like chemicals, emulsifier in dairy foodsfoods
ReproductionReproduction Mostly asexualMostly asexual
FragmentsFragments SporesSpores
SexualSexual Alternation of generationsAlternation of generations Male/ femaleMale/ female
Types of Multicellular Types of Multicellular AlgaeAlgae
Division Chlorophyta- Green algaeDivision Chlorophyta- Green algae 6000-7000 species6000-7000 species 10% are marine10% are marine
Division Phaeophyta- Brown algaeDivision Phaeophyta- Brown algae 1500 species, almost all are marine1500 species, almost all are marine Yellow, olive green or dark brownYellow, olive green or dark brown
Division Rhodophyta- Red algaeDivision Rhodophyta- Red algae 4000 species, only a few are freshwater4000 species, only a few are freshwater
Angiosperms- Flowering Angiosperms- Flowering PlantsPlants
Classified by locationClassified by location SubtidalSubtidal EstuaryEstuary IntertidalIntertidal supratidalsupratidal
Subtidal- Sea grassesSubtidal- Sea grasses
Eel grassEel grass Most widely distributedMost widely distributed Bays and estuariesBays and estuaries
Turtle grassTurtle grass Muddy and sandy bottomsMuddy and sandy bottoms Calm water, moderately deepCalm water, moderately deep
Manatee grassManatee grass Western AtlanticWestern Atlantic
Eel GrassEel Grass
Turtle GrassTurtle Grass
Manatee GrassManatee Grass
Estuary- Salt Marsh Estuary- Salt Marsh GrassesGrasses
Cord Grasses Cord Grasses Land plants that are tolerant of saltLand plants that are tolerant of salt Located above mud flatsLocated above mud flats Roots get wet but tops stay dryRoots get wet but tops stay dry
HalophytesHalophytes Along the mouth of the riverAlong the mouth of the river
Cord GrassesCord Grasses
HalophytesHalophytes
Intertidal- MangrovesIntertidal- Mangroves
Shrubs and trees adapted to live along Shrubs and trees adapted to live along tropical and subtropical shorestropical and subtropical shores
Only roots are covered at high tideOnly roots are covered at high tide Mainly located in the Florida KeysMainly located in the Florida Keys Reproduction is uniqueReproduction is unique
Seeds germinate while attached to the Seeds germinate while attached to the parent treeparent tree
MangrovesMangroves
Mangrove KneesMangrove Knees
Supratidal- Other Supratidal- Other flowering plantsflowering plants
Sea OatsSea Oats Hold the beach in placeHold the beach in place Primary dune plantsPrimary dune plants Illegal to pickIllegal to pick
Morning gloryMorning glory Primary and secondary dune plantsPrimary and secondary dune plants
Sea rocketSea rocket Primary and secondary dune plantsPrimary and secondary dune plants
Sea OatsSea Oats
Morning GloryMorning Glory
Sea RocketSea Rocket