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