Science Quiz / Classes of Invertebrate Phyla

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Can you name the Classes of Invertebrate Phyla?

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PhylaClass
Echinodermata - Urchins
Mollusca - snails. have operculum
Hemichordates - peanut worms
Brachiopoda (hinged shell)
Arthropoda - Chelicerata (horse shoe Crabs)
Rotifera - Asexual
Mollusca - lack radula. Clams
Mollusca - 3-6 pairs of ctenidia, 6-7 pairs of nephridia
Porifera - Freshwater and Marine
Annelida -formerly own Phyla. U-shaped gut
Echinodermata - Sea lillies
Annelida - parapodia for movment/gas exchange. Lethal Spawning events
Platyhelminthes - free living
Mollusca - squid
Arthropoda - Chelicerata (spiders)
Ctenophora - 2 tentacles
Ctenophora - No tentacles
Platyhelminthes - Ectoparasites
Nemertea - No stylet on Probosis
Brachiopoda (non-hinged shell)
Rotifera - One Ovary
Mollusca - vermiform shape
Annelida - degenerate. Loss of segmentation
Arthropoda - Chelicerata (sea spiders)
PhylaClass
Cnidaria - Hydroids
Cndaria - True Jellies
Arthropoda - extinct
Porifera - CaCo3 spicules
Cnidaria - Box Jellies
Arthropoda - Mandibulata (Insects)
Echinodermata - Sea Stars
Hemichordates - colonial
Arthropoda - Mandibulata (crabs/lobsters)
Porifera - 6-rayed Spicules
Cnidaria - Anenomes
Chordates - Amphioxus
Echinodermata - Sea Cucumbers
Mollusca - 7 to 8 plates in mantle
Nemertea - Probosis with Stylet
Chordates - sea squirts
Rotifera - Marine symbionts
Platyhelminthes - Complex Life cycle/multiple hosts
Cnidaria - Stalked Jellies
Platyhelminthes - tapeworms
Annelida - Hermaphroditic. Clitellum for sperm transfer
Mollusca - tusk shaped shells. Lack Ctenidia and Osphradia
Echinodermata - Basket stars

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