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Phylum Characteristics

Published on Nov 21, 2015

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PRESENTATION OUTLINE

PROFERIA

Characteristics

  • No true organs
  • Non- motile
  • Flagellated cells that move water through the cell

CNIDARIA

Characteristics

  • Stinging cells
  • 2 body forms

PLATYHELMENTHES

Characteristics

  • Flat
  • Flame cells- cells responsible for excreteing waste
  • one body opening

NEMATODA

Characteristics

  • Most are parasitic
  • Round or cylinder shape
  • 2 body openings

MOLLUSKA

Characteristics

  • 3 body parst
  • Complex nervous system
  • Beneficial for food

ANNELIDA

Characteristics

  • Segmentation
  • Bilateral symmetry
  • Closed circulatory system
  • Beneficial for bone reactachment

ARTHROPODA

Characteristics

  • Jointed legs
  • Exoskeleton made up of Chitin
  • Compound eyes
  • Abdomen

ECHINODERMATA

Characteristics

  • Spiny skins
  • Radial symmentry
  • Possess a unique water vascular system
  • Endoskelton
  • Regeneration

CHORDATA

Characteristics

  • Notochord, or a rod of vacuolated cells, encased by a firm sheath that lies ventral to the neural tube in vertebrate embryos and some adults.
  • Endostyle - elongated groove in the pharynx floor of protochordates that may develop as the thyroid gland in chordate
  • Hollow nerve cord that lies dorsal to the notochord
  • Pharyngeal pouches

Fish

  • Covered in scales and fines to help it move through the water
  • External Fertilization
  • Breathe using gills

Amphibians

  • Must be moist at all times
  • Breathe through their skin
  • Metamorphoses helps them change
  • Eggs are covered with jelly to protect them

Reptiles

  • Covered in hard scales
  • They breathe using lungs
  • Lay soft- shelled eggs in the ground to protect them from predators
  • Fertilization is internal

Birds

  • Covered with feathers
  • Do not have teeth but, do have beaks to eat their prey
  • Front limbs are adapted as wings
  • Birds breathe using lungs
  • Fertilization is internal

Mammals

  • Fertilization is internal
  • Females feed their young with milk from their mammary glands
  • Most mammals are viviparous
  • This means that the offspring are keptinside the females body and feed through a placenta.