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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Hierarchal system:

TOTEMPOLE: Hierarchical system
TOTEMPOLE: Hierarchal system
TOTEMPOLES: Hierarchical systems
TOTEMPOLES: Hierarchical systems, so to speak
FOODCHAIN: Hierarchical system ... or what is formed when the answers to the starred clues are placed end to end