A head defines what point of reference?
A) anterior
B) posterior
C) dorsal
D) ventral
E) lateral
Correct Answer:
Verified
Q20: Radially symmetrical organisms typically lack a head;
Q21: The middle embryological layer in triploblastic animals
Q22: Portions of the peritoneum and serosa that
Q23: In diploblastic organisms,the two tissue layers are
A)mesoderm
Q24: Organisms in this phyla do not exhibit
Q25: Organisms with the simplest tissue level of
Q26: Triploblastic organisms that possess a body cavity
Q27: Formation of a distinct head is called
A)ventralization.
B)anteriorization.
C)lateralization.
D)dorsalization.
E)cephalization.
Q29: The _ is the thin mesodermal lining
Q30: The back (usually upper)surface of a bilateral
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