<P> Green algae are 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 . </P> <P> 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 27.6 metres (91 ft), whereas longer ones, up to 33.6 metres (110 ft), have been recorded but not weighed . </P> <P> The African bush elephant (Loxodonta africana), of the order Proboscidea, is the largest living land animal . A native of various open habitats in sub-Saharan Africa, this elephant is commonly born weighing about 100 kilograms (220 lb). The largest elephant ever recorded was shot in Angola in 1974 . It was a male measuring 10.67 metres (35.0 ft) from trunk to tail and 4.17 metres (13.7 ft) lying on its side in a projected line from the highest point of the shoulder to the base of the forefoot, indicating a standing shoulder height of 3.96 metres (13.0 ft). This male had an computed weight of 12.25 tonnes . </P> <Dl> <Dt> Table of heaviest living animals </Dt> </Dl>

What is the biggest animal that ever lived on land