Porifera
Sponge Phylum
demospongiae, hexactinellida, and calcarea
Porifera Classes
marine
Sponge Habitat
none
Sponge Symmetry
none
Sponge tissue organ
none
Sponge Segments
spicules and hydrostatic
Sponge skeletal system
A sexual and sexual. Asex is fragmentation, gemmulation, and budding. Monoecious
Sponge reproduction
intracellular
Sponge digestive system
none, diffusion
sponge circulatory, excretory, and nervous systems
none, diffusion
Sponge ventilatory organs
sessile
Sponge locomotion
Cnidaria
Hydra Phylum
hydrozoa
Hydra Class
aquatic
hydra habitat
radial
hydra symmetry
diploplatsic
hydra tissue organs
none
hydra segments
hydrostatic
hydra skeleton
asexual, fragmentation and budding sexual, monoecious
hydra reproduction
incomplete
hydra digestive system
none, diffusion
hydra circulatory and excretory system
none, diffusion
hydra ventilatory organs
nerve net
hydra nervous system
some sessile, some motile
hydra locomotion
Platyhelmenthis
flatworm phylum
turbellaria
flatworm class
aquatic
flatworm habitat
triploblastic
flatworm symmetry
none
flatworm segments
hydrostatic
flatworm skeletal system
sexually; monoecious asexually; fragmentation
flatworm reproduction
incomplete
flatworm digestive system
none, diffusion
flatorm circulatory system
cutaneous diffusion
flatworm ventilatory organs
flame cells
flatworm excretory systems
transverse nerve
flatworm nervous system
motile with cilia
flatworm locomotion
mollusca
clam phylum
bivalvia
clam class
aquatic
clam habitat
bilateral
clam symmetry
triploblastic
clam tissue organ
none
clam segments
exoskeleton
clam skeletal system
sexual only; dioecious
clam reproduction
complete
clam digestive system
gills
clam ventilatory organs
open, ostium
clam circulatory system
metanephridia
clam excretory system
yes
clam nervous system
motile, use a foot
clam locomotion
Annelida
Earthworm phylum
olgiochaeta
Earthworm class
terrestrial
Earthworm habitat
bilateral
earthworm symmetry
triploblastic
earthworm tissue organ
yes
earthworm segments
hydrostatic
earthworm skeletal system
asexual; fragmentation sexual; monoecious
earthworm reproduction
complete
earthworm digestive system
closed, they have blood vessels
earthworm circulatory system
metaniphridia
earthworm excretory system
ventral nerve cord
earthworm nervous system
motile, setae
earthworm locomotion
Nematoda
roundworm phylum
parasitic
roundworm habitat
bilateral
roundworm symmetry
triploblastic
roundworm tissue organ
no
roundworm segments
hydrostatic
roundworm skeletal system
sexual; dioecious
roundworm reproduction
complete
roundworm digestive system
none
roundworm circulatory system
none, diffusion
roundworm ventilatory organs
lateral lines
roundworm excretory system
dorsal and ventral nerve cord
roundworm nervous system
motile, wiggle back and forth
roundworm locomotion
Arthropoda
crayfish phylum
molacastraca
crayfish class
aquatic
crayfish habitat
bilateral
crayfish symmetry
triploblastic
crayfish tissue organs
yes, tagmosis
crayfish segments
exoskeleton
crayfish skeletal system
sexual; dioecious
crayfish reproduction
complete
crayfish digestive system
open
crayfish circulatory system
gills
crayfish ventilatory organs
antennal glands
crayfish excretory system
ventral nerve cord
crayfish nervous system
motile; walk and swim
crayfish locomotion
