1. What happens when you inhibit Wnt signaling in acenter piece of a planarian worm (ie it had both its head and tailremoved)?
A. Regeneration is inhibited
B. two tails form
C.two heads form
D. a head and tail form
2. Classification of the barnacle as a crustacean basedon its larval form is an example of:
A. Adaptation to environmental conditions
B. unity of type
C. both A and B
3.Chronologically order the following stages of limbregeneration
- Differentiation of the blastema cells into the tissues of theregenerate
-Pattern formation in the regenerate
-Establishment of the wound epithelium over the site ofinjury
-Innervation of the wound epithelium
-Dedifferentiation of the mature limb cells into blastemacells
-Establishment of the AEC signaling center
