The Characteristics of Phylum Cnidaria
The Characteristics of Phylum Cnidaria
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
Biology 200Coral ReefsBiology 200Coral Reefs
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
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
Biology 200Coral ReefsBiology 200Coral Reefsradial 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
aboralaboral
oraloralBiology 200Coral ReefsBiology 200Coral Reefs
Radial Symmetry
Radial Radial SymmetrySymmetry
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
Biology 200Coral ReefsBiology 200Coral Reefs
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
Blind Sac GutBlind Sac GutBlind Sac Gut
Biology 200Coral ReefsBiology 200Coral Reefs
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
Biology 200Coral ReefsBiology 200Coral Reefs
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
DiploblasticDiploblasticDiploblastic
(from the endoderm)
(from the ectoderm)
Biology 200Coral ReefsBiology 200Coral Reefs
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
Biology 200Coral ReefsBiology 200Coral Reefs
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
EPIDERMIS
MESOGLEA
MOUTH
GUT
GASTRODERMIS
TENTACLE
COLUMN
ABORAL
ORAL
POLYP ANATOMY
Medusa Body FormMedusa Body Form
GUT
MOUTH
EPIDERMIS
MESOGLEAGASTRODERMIS
GONAD
MEDUSA ANATOMY
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
Biology 200Coral ReefsBiology 200Coral Reefs
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
NematocystsNematocysts
Nematocyst PictureNematocyst Picture
NematocystNematocyst
Biology 200Coral Reefs More NematocystsMore NematocystsMore NematocystsBiology 200Coral Reefs
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
Biology 200Coral ReefsBiology 200Coral Reefs
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
Nerve NetNerve Net
Biology 200Coral ReefsBiology 200Coral Reefs
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
Biology 200Coral ReefsBiology 200Coral Reefs
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
Diffusion Across the Body WallDiffusion Across the Body WallDiffusion Across the Body Wall
Biology 200Coral ReefsBiology 200Coral Reefs
Sea AnemonesSea AnemonesSea Anemones
Circulation in a Moon JellyfishCirculation in a Circulation in a Moon JellyfishMoon Jellyfish
Biology 200Coral ReefsBiology 200Coral Reefs
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
Biology 200Coral ReefsBiology 200Coral Reefs
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
The The Cnidarian Cnidarian Life CycleLife Cycle
The CnidarianLife CycleThe CnidarianLife Cycle
Characteristics of Phylum CnidariaCharacteristics of Phylum Cnidaria
Biology 200Coral ReefsBiology 200Coral Reefs
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
Coloniality and PolymorphismColoniality and Polymorphism
Biology 200Coral ReefsBiology 200Coral Reefs
Poly,orphism in the Poly,orphism in the Portuguese ManPortuguese Man-- ofof--WarWar