<篇章結構>[題組:第31題到第35題]Many different kinds of animals show some form of regeneration. Most of them are, however, limited to the sort a lizard is capable of, like regrowing a lost tail. A cockroach can grow back a missing limb, but the limb itself can’t generate a new cockroach. ______ Bidirectional regeneration, on the other hand, refers to a situation in which splitting of an animal will result in separate fully functional animals.
