Science / Classes of Invertebrate Phyla

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Can you name the Classes of Invertebrate Phyla?

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

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