Archive for January 1st, 2006
Introduction to Kingdom Plantae
Sunday, January 1st, 2006Picture of a typical plant cell The plant kingdom, one of four eukaryotic kingdoms, is composed of multicellular, autotrophic organisms that photosynthesize to fix inorganic carbon (from atmospheric CO2) into organic molecules. Plants are the foundation of all terrestrial habitats, and serve as terrestrial Earth’s primary autotrophs, making organic molecules that will cycle through the [...]
Meaning of Medieval
Sunday, January 1st, 2006Medieval adj. 1. Relating or belonging to the Middle Ages. 2. Informal. Old-fashioned; unenlightened: parents with a medieval attitude toward dating. Middle Ages pl.n. The period in European history between antiquity and the Renaissance, often dated from A.D. 476 to 1453.
