For the animal shown to the right, select the
most specific
correct choices for all characteristics. Use the buttons to see additional animals, check your answers, or see comments about the animal shown.
Phylum:
Porifera
Cnidaria
Platyhelminthes
Nematoda
Rotifera
Annelida
Arthropoda
Mollusca
Echinodermata
Chordata
IGNORE
Parazoa
Eumetazoa
Protostomia
Deuterostomia
Tissues:
no true tissues
diploblastic
triploblastic
Symmetry:
asymmetric
radial
bilateral
Coelom Type:
acoelomate
pseudocoelomate
coelomate
IGNORE
none formed
schizocoelous
enterocoelous
