1846, of or pertaining to Fr. botanist and zoologist J.B.P. Lamarck (1744-1829), especially his view that the process of evolution includes the inheritance of acquired characteristics.
"cephalopod mollusk," 1706, coined by Fr. zoologist Jean Guillaume Bruguière (c.1750-1798) from M.L. (cornu) Ammonis "horn of Ammon," the Egyptian god of life and reproduction, who was depicted with ram's horns, which the fossils resemble.
1873, coined by Ger. zoologist Ernst Haeckel (1834-1919) as Okologie, from Gk. oikos "house, dwelling place, habitation" (see villa) + -logia "study of." Ecosphere (1953) is the region around a star where conditions allow life-bearing planets to exist.
1870, from Mod.L., lit. "those with jointed feet," coined 1845 by Ger. zoologist Karl Theodor Ernst von Siebold (1804-1885) from Gk. arthron "a joint" (from PIE *ar-dhro-, from *ar- "to fit together;" see arm (1)) + podos gen. of pous "foot" (see foot).