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Kingdom AnimaliaInvertebrate
Animals -Part 1
“Porifera” = sponges
P? Calcarea & P? Silicea & 1-2 others
“Coelenterates” and likes: A. shared characteristics
1. have tissues, no organs2. radial symmetry3. respiration & excretion - body surface4. diploblastic development
P: Cnidaria
tissues
Cnidocytes
Class: Hydrozoa
Vellela = “by-the-wind-sailor”
Portuguese man-of-war
“stalked jellyfish”
Chironex
Carukia barnesi = Irukandji
budding
Phylum: Ctenophora = comb jellies
Lophotrochozoans
lophophore
trochophore larva
P: Platyhelminthes
C: Turbellaria
Dugesia = “planaria”
(marine species)
C: Trematoda = flukesSchistosoma = blood fluke
C: Cestoda = tapeworms
P: Nemertea = ribbon worms
P: Mollusca
major body parts
C: Polyplacophora = chitons
C: Gastropoda = slugs & snails
Torsion: a snail developmental process
C: Bivalvia
C: Cephalopoda