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gptkbp:instanceOf
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gptkb:Echinoderm
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gptkbp:alsoKnownAs
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Sea star
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gptkbp:arms
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Can have more than five
Usually five
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gptkbp:bodyCovering
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Calcareous plates
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gptkbp:class
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gptkb:Asteroidea
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gptkbp:color
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Varies widely
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gptkbp:commercialUse
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Research
Aquariums
Curios
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gptkbp:conservationStatus
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Varies by species
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gptkbp:diet
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Carnivorous
Omnivorous
Detritivorous
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gptkbp:distribution
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Worldwide oceans
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gptkbp:features
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Can expel stomach to digest food externally
Eversible stomach
No blood
No brain
Water vascular system
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gptkbp:firstAppearance
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gptkb:Ordovician_period
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gptkbp:fossil
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Extensive
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gptkbp:habitat
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Marine environments
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https://www.w3.org/2000/01/rdf-schema#label
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Starfish
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gptkbp:importantFor
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Ecological role as predator
Indicator species for marine health
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gptkbp:lifespan
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Up to 35 years
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gptkbp:movement
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Tube feet
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gptkbp:notableSpecies
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gptkb:Common_starfish
gptkb:Crown-of-thorns_starfish
gptkb:Sunflower_sea_star
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gptkbp:phylum
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gptkb:Echinodermata
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gptkbp:predators
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gptkb:Humans
gptkb:fish
gptkb:Sea_otters
Birds
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gptkbp:regenerates
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Can regenerate lost arms
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gptkbp:relatedTo
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gptkb:Brittle_stars
gptkb:Sand_dollars
gptkb:Sea_cucumbers
gptkb:Sea_urchins
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gptkbp:reproduction
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Asexual
Sexual
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gptkbp:respiration
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gptkb:Papulae
Tube feet
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gptkbp:scientificName
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gptkb:Asteroidea
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gptkbp:size
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From less than 1 cm to over 1 m
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gptkbp:symmetry
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Radial symmetry
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gptkbp:threats
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Habitat loss
Climate change
Pollution
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gptkbp:bfsParent
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gptkb:Sea_Life_London_Aquarium
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gptkbp:bfsLayer
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5
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