"An aquatic environment is an environment in which most parts are surrounded by water." . _:b1218543 . _:b1218543 . _:b1218543 . _:b1218539 . . _:b1218540 . "aquatic environment" . _:b1218543 . . _:b1218541 . _:b1218539 . _:b1218540 . _:b1218542 _:b1218541 . _:b1218539 _:b1218542 . _:b1218541 _:b1218540 . _:b1218542 . _:b1218540 .