The Characteristics of Phylum Cnidaria
The Characteristics of Phylum Cnidaria
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
radial symmetryblind sac gut (= coelenteron or gastrovascular cavity)diploblastic with mesogleapolyp and medusa body formsnematocysts (= specialized stinging capsules)nerve netlack excretory, circulatory & respiratory systemscomplex life cyclemany colonial forms exhibiting polymorphism
radial symmetryblind sac gut (= coelenteron or gastrovascular cavity)diploblastic with mesogleapolyp and medusa body formsnematocysts (= specialized stinging capsules)nerve netlack excretory, circulatory & respiratory systemscomplex life cyclemany colonial forms exhibiting polymorphism
Radial Radial SymmetrySymmetry
Radial Radial SymmetrySymmetry
aboralaboral
oraloral
Radial SymmetryRadial SymmetryJellyfishJellyfish
Phylum CnidariaPhylum CnidariaJellyfishJellyfish
Phylum CnidariaPhylum Cnidaria
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
Blind Sac GutBlind Sac Gut
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
Diploblastic- two germ layersDiploblastic- two germ layersDiploblastic- two germ layersDiploblastic- two germ layersPhylum CnidariaPhylum CnidariaPhylum CnidariaPhylum Cnidaria
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
NematocystsNematocysts
Nematocyst PictureNematocyst Picture
NematocystNematocyst
More NematocystsMore NematocystsMore NematocystsMore Nematocysts
http://www.youtube.com/watch?NR=1&v=-Tp38DUjUnM&feature=endscreen
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
Nerve NetNerve Net
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
Diffusion Across the Body WallDiffusion Across the Body WallDiffusion Across the Body WallDiffusion Across the Body Wall
Sea AnemonesSea AnemonesSea AnemonesSea Anemones
Circulation in a Circulation in a Moon JellyfishMoon JellyfishCirculation in a Circulation in a Moon JellyfishMoon Jellyfish
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
The Cnidarian Life CycleThe Cnidarian Life Cycle
The Cnidarian Life CycleThe Cnidarian Life Cycle
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
radial symmetry
blind sac gut (= coelenteron or gastrovascular cavity)
diploblastic with mesoglea
polyp and medusa body forms
nematocysts (= specialized stinging capsules)
nerve net
lack excretory, circulatory & respiratory systems
complex life cycle
many colonial forms exhibiting polymorphism
Coloniality and PolymorphismColoniality and Polymorphism
Poly,orphism in the Poly,orphism in the Portuguese Man- of-WarPortuguese Man- of-War
ColonialityColonialityCoral
Phylum CnidariaCoral
Phylum Cnidaria
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