They must avoid prolonged exposure to direct sunlight on hot days, though many species bask in the sun to warm up when they are cool.
(They; must avoid; prolonged exposure to direct sunlight on hot days) (they; are; cool) (many species; bask; in the sun; to warm up when they are cool) Context(many species bask,List([74, 91))):(many species; bask in the sun to warm up; T:when they are cool)
many species bask,List([74, 91))
They they many species many species
must avoid are bask bask in the sun to warm up
prolonged exposure to direct sunlight on hot days
cool
in the sun to warm up when they are cool
T:when they are cool