Largest organisms photosynthetic unicellular and multicellular protists that are related to land plants. The thallus of the unicellular mermaid's wineglass, "Acetabularia", can grow to several inches (perhaps 0.1 to 0.2 m) in length. The fronds of the similarly unicellular, and invasive "Caulerpa taxifolia" can grow up to a foot (0.3 m) long. A member of the order Cetacea, the blue whale ("Balaenoptera musculus"), is thought to be the largest animal ever to have lived. The maximum recorded weight was 190 metric tonnes for a specimen measuring , whereas longer ones, up to , have been recorded but not weighed. The African bush
Have You Ever Been in Love (song) earth who believes in true love." Sal Cinquemani from "Slant Magazine" named it a "classic-sounding ballad", while Chuck Arnold of "People" called it "one of the strongest cuts from the album." Picks and Pans reviewers Chuck Arnold and Ralph Novak wrote, while reviewing the "One Heart" album: "Two of the strongest cuts are actually recycled from last year's A New Day Has Come: "Have You Ever Been in Love" and a ballad version of "Sorry for Love." The song spent fourteen weeks at number two on the US Adult Contemporary chart, setting a record for most weeks at the second