Crossword puzzle clue "system of adaptable working hours"

a system that allows flexible working hours, also FLEXTIME

a small African lizard with a prehensile tail and tongue, also CAMELEON, CHAMAELEON

CHAMELEON, a small African lizard with a prehensile tail and tongue, also CAMELEON, CHAMAELEON

ECOTYPE, a group of organisms which have adapted to a particular environment and so have become different from other groups within the species