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