Caterpillar That Eats Mulberry and Makes Fibers
Puzzle 7 of Emergency Workers Easy Pack
Question is: Caterpillar That Eats Mulberry and Makes Fibers
and the answer is: SILKWORM
Word Meaning:
SILKWORM — Any of various caterpillars of moths that produce silk cocoons, especially Bombyx mori, the source of most commercial silk.
Definitions from Wiktionary.