nutrient element
81animal — animalic /an euh mal ik/, animalian /an euh may lee euhn, mayl yeuhn/, adj. /an euh meuhl/, n. 1. any member of the kingdom Animalia, comprising multicellular organisms that have a well defined shape and usually limited growth, can move… …
82protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… …
83Mediterranean Sea — Mediterranean redirects here. For other uses, see Mediterranean (disambiguation). Mediterranean sea redirects here. For the oceanographical term, see Mediterranean sea (oceanography). Mediterranean Sea Composite satellite ima …
84Coral reef — Marine habitats Biodiversity of a coral reef Lit …
85Lake Tahoe — Tahoe redirects here. For other uses, see Tahoe (disambiguation). Lake Tahoe Lake Tahoe from the east shore (in Nevada) Location California and Nevada,USA …
86Membrane bioreactor — (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a suspended growth bioreactor, and is now widely used for municipal and industrial wastewater treatment with plant sizes up to 80,000 population… …
87Ordovician Period — Interval of geologic time, 490–443 million years ago, the second oldest period of the Paleozoic Era. It follows the Cambrian and precedes the Silurian. During the Ordovician, many of the landmasses were aligned in the tropics. Life was dominated… …
88chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …
89Arable land — In geography, arable land (from Latin arare , to plough) is an agricultural term, meaning land that can be used for growing crops. Of the earth s 148,940,000 km² (57.5 million square miles) of land, approximately 19,824,000 km² (7.65 million… …
90Saffron — For other uses, see Saffron (disambiguation). Saffron crocus …
