Sheet1 Porifera asymmetric
Cnidaria radial
Platyhelminthes Nemertea bilateral bilateral
Annelidia bilateral
Arthropoda bilateral
Echinodermata Chordate radial bilateral
simple liquid
Mollusca radial simple/mediu m liquid and air
simple liquid simple
simple liquid concentrate in head
simple air
medium air
simple liquid
complex air
simple
nerve chord
nerve chord
ganglia
brain
asexual
sexual
sexual
both
sexual
nerve net both, fragmentation
both
both
neither
neither
protostome
protostome
protostome
protostome
protostome
deuterostome
deuterostome
water release none
water release excretion none none
excretion none
excretion closed
excretion closed
excretion open
excretion open
excretion closed
extracellular
intracellular
intracellular
extracellular
extracellular
extracellular
extracellular
extracellular
extracellular
none attached like plants sponges
water push
wiggle
wiggle
scale
Poly-pod
wiggle
Bi-pod
regenerate hydras
acoelomate flatworms
coelomate earthworm
joint legs spider
regeneration sea stars
brain human
symmetry body language none gas exchage liquid nervous system none reproduction protostome/d euterostome waste disposal circulation type of digestion method of transport distinguishing features examples
flagellum spiny thread like exoskeleton ribbon worms squid
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sexual