Although most species are terrestrial, many such as the whirligig, water scavenger, and true water beetles have become adapted to aquatic environments.
(most species; are; terrestrial) (many such as the whirligig, water scavenger, and true water beetles; have become; adapted to aquatic environments) (many such as the whirligig, water scavenger, and true water beetles; adapted; to aquatic environments)
most species many such as the whirligig, water scavenger, and true water beetles many such as the whirligig, water scavenger, and true water beetles
are have become adapted
terrestrial
adapted to aquatic environments
to aquatic environments