Biology 40s - Phylum Comparison Chart Key

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KaZuma_t3
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289396
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Biology 40s - Phylum Comparison Chart Key
Updated:
2014-11-16 18:10:41
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biology
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biology
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biology
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  1. Phylum Porifera (sponges) (5)
    • No symmetry or consistent body shape
    • Water flows through its body, full of canals
    • Spicules act as a skeleton to give it structure
    • No locomotion; stationary animal
    • Specialized cells, but not organized into organs or tissues
  2. Phylum Cnidaria (cnidarians) (6)
    • Firs muscles and nerves
    • Some have stinging structures (nematocysts)
    • Some free-drifting medusae
    • Some non-swimming polyps
    • Hollow body cavity for food
    • Digestive tract with the entrance being the exit
  3. Phylum Platyhelminthes (flatworms) (5)
    • Some of the simplest animals with bilateral symmetry
    • Tubular mouth (pharynx) at mid-body
    • three tissue layers, but no body cavity
    • Digestive tract with the entrance being the exit
    • Most members are parasitic
  4. Phylum Annelida (annelids) (5)
    • Bilateral phylum that added segmentation
    • Complete digestive tract with two ends¬†
    • fluid-filled compartments used for locomotion
    • their active burrowing has affected global climate
    • Body design basically a tube within a tube
  5. Phylum Anthopoda (arthropods) (7)
    • Champions of variations in appendages
    • Exoskeleton made of chitin and protein
    • First phylum to venture into the air
    • Pioneered jointed legs
    • More species than any other phylum
    • Complete digestive tract with two ends
    • Bilateral phylum that added segmentatiion
  6. Phylum Mollusca (molluscs) (6)
    • Feeding device like a toothed, rasping tongue (radula)¬†
    • Most have a calcium-carbonate shell
    • Muscular 'foot' used to slide, dig, or jump
    • Some propel, using their siphon as a water jet
    • Mantle of tissue covering the body
    • Complete digestive tract with two ends
  7. Phylum Echinodermata (echinoderms) (6)
    • Five-part radial symmetry
    • Tube feet used for locomotion
    • Some spines are little pincers (pedicellaria)
    • Hard but flexible bodies with interlocking plates under thin skin
    • All members live in the ocean
    • Complete digestive tract with two ends

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