phyla of kingdom animalia n porifera n cnidaria n ctenophora n platyhelminthes n ectoprocta n...
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Phyla of Kingdom AnimaliaPhyla of Kingdom Animalia
Porifera Cnidaria Ctenophora Platyhelminthes Ectoprocta
Mollusca Annelida Arthropoda Echinodermata Chordata
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Phylum: PoriferaPhylum: Porifera Sponges: around 5,000 living species Simplest multi-cellular organisms Cellular-level organization
– Their cells are specialized– Similar cells are not organized into tissues
All sessile and benthic Filter feeders
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Phylum: CnidariaPhylum: Cnidaria Radially or Biradially symmetric Tissue level of organization True organs do not occur Two basic body forms:
– Medusa: free swimming or floating– Polyp: usually sessile
Nematocysts
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Phylum: CnidariaPhylum: Cnidaria Corals Hydroids Sea anemones Jellyfish Sea pens
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Phylum: EchinodermataPhylum: Echinodermata
Calcereous endoskeleton Pentaradial symmetry Water vascular system (tube feet)
– Decentralized nervous system
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Phylum: EchinodermataPhylum: Echinodermata
Sea stars Brittle stars Sea urchins Sand dollars Sea cucumbers
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Phylum: ArthropodaPhylum: Arthropoda
Bilaterally symetrical Strongly segmented bodies Exoskeletal construction Molting required for growth More species of Arthropod than all
other species combined
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Phylum: ArthropodaPhylum: Arthropoda Barnacles Shrimp Crabs Lobster Isopods Amphipods Copepods
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Phylum: MolluscaPhylum: Mollusca
Bilaterally symmetrical Strongly cephalized Complicated digestive system Complicated nervous system Most have a shell Over 50,000 living species
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Phylum: MolluscaPhylum: Mollusca
Abalone Nudibranchs Octopi Squid Scallops Sea hare
Mussels Oysters Clams Periwinkles Chitons Snails Limpets
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Phylum: Chordata (vertebrates)Phylum: Chordata (vertebrates)
Organisms that possess a Notochord– a rod that serves to stiffen the body and act
as a support during locomotion Bilateral symmetry Segmented body Ventral heart and closed blood system Bony or cartilaginous endoskeleton
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Phylum: Chordata (vertebrates)Phylum: Chordata (vertebrates) Tunicates Salps Sharks Rays Skates Bony fish
Sea lions Seals Whales Sea otters Dolphins Birds
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