Major Marine Invertebrate Phyla
SYMMETRY pentamerous radial symmetry
Phylum Porifera <ul><li>Example:  sponges </li></ul><ul><li>No symmetry = asymmetrical </li></ul><ul><li>Simplest animals ...
Phylum Cnidaria <ul><li>Examples:  jellyfish, corals, anemones, hydra </li></ul><ul><li>Radial symmetry </li></ul><ul><li>...
Phylum Ctenophora <ul><li>Examples:  comb jellies </li></ul><ul><li>Radial symmetry </li></ul><ul><li>Harmless bioluminesc...
Phylum Platyhelminthes <ul><li>Examples:  flatworms </li></ul><ul><li>Bilateral symmetry </li></ul><ul><li>Simple marine w...
Phylum Annelida <ul><li>Examples:  polychaete worms, earthworm </li></ul><ul><li>Bilateral symmetry </li></ul><ul><li>Adva...
Phylum Mollusca <ul><li>Examples:  clam, snail, octopus, squid </li></ul><ul><li>Bilateral symmetry </li></ul><ul><li>Soft...
Phylum Arthropoda <ul><li>Examples:  crab, shrimp, lobster, insects, arachnids </li></ul><ul><li>Bilateral symmetry </li><...
 
Phylum Echinodermata <ul><li>Examples:  sea stars, sea urchins, sea cucumbers </li></ul><ul><li>Pentamerous radial symmetr...
 
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Major marine invertebrate phyla powerpoint

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Major marine invertebrate phyla powerpoint

  1. 1. Major Marine Invertebrate Phyla
  2. 2. SYMMETRY pentamerous radial symmetry
  3. 3. Phylum Porifera <ul><li>Example: sponges </li></ul><ul><li>No symmetry = asymmetrical </li></ul><ul><li>Simplest animals </li></ul><ul><li>No organs or true tissues </li></ul><ul><li>Many pores </li></ul>
  4. 4. Phylum Cnidaria <ul><li>Examples: jellyfish, corals, anemones, hydra </li></ul><ul><li>Radial symmetry </li></ul><ul><li>The stingers </li></ul><ul><li>Two tissue layers </li></ul><ul><li>No organs </li></ul>
  5. 5. Phylum Ctenophora <ul><li>Examples: comb jellies </li></ul><ul><li>Radial symmetry </li></ul><ul><li>Harmless bioluminescent jellies </li></ul>
  6. 6. Phylum Platyhelminthes <ul><li>Examples: flatworms </li></ul><ul><li>Bilateral symmetry </li></ul><ul><li>Simple marine worms </li></ul>
  7. 7. Phylum Annelida <ul><li>Examples: polychaete worms, earthworm </li></ul><ul><li>Bilateral symmetry </li></ul><ul><li>Advanced marine worms </li></ul><ul><li>Segmented bodies </li></ul>
  8. 8. Phylum Mollusca <ul><li>Examples: clam, snail, octopus, squid </li></ul><ul><li>Bilateral symmetry </li></ul><ul><li>Soft-bodied invertebrates with large “foot” </li></ul>
  9. 9. Phylum Arthropoda <ul><li>Examples: crab, shrimp, lobster, insects, arachnids </li></ul><ul><li>Bilateral symmetry </li></ul><ul><li>Exoskeleton </li></ul><ul><li>Segmented body with jointed appendages </li></ul>
  10. 11. Phylum Echinodermata <ul><li>Examples: sea stars, sea urchins, sea cucumbers </li></ul><ul><li>Pentamerous radial symmetry </li></ul><ul><li>The “stars” </li></ul><ul><li>Spiny skin </li></ul>
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