Answer: missinglink

AnswerCrossword Clue
MISSINGLINK

Evolutionary chain mystery

MISSINGLINK

Elusive evolutionary connection

MISSINGLINK

Long-sought evolutionary connection

MISSINGLINK
Evolutionary mystery
MISSINGLINK
Ape man, maybe
MISSINGLINKHypothetical being.
MISSINGLINKAnthropologist's concern.
MISSINGLINKAnthropologist's topic.
MISSINGLINK[XXX]
MISSINGLINKArt letter
MISSINGLINKBobo
MISSINGLINKElusive evolutionary claim
MISSINGLINKMystery to evolutionists
MISSINGLINKGap in a series