Science Quiz / Classes of Invertebrate Phyla

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Can you name the Classes of Invertebrate Phyla?

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

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