calcareous
81echinoderm — /i kuy neuh derrm , ek euh neuh /, n. any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea …
82gastropod — /gas treuh pod /, n. 1. any mollusk of the class Gastropoda, comprising the snails, whelks, slugs, etc. adj. 2. Also, gastropodous /ga strop euh deuhs/. belonging or pertaining to the gastropods. [1820 30; < NL Gast(e)ropoda a class of mollusks.… …
83turkey — /terr kee/, n., pl. turkeys, (esp. collectively) turkey. 1. a large, gallinaceous bird of the family Meleagrididae, esp. Meleagris gallopavo, of America, that typically has green, reddish brown, and yellowish brown plumage of a metallic luster… …
84Turkey — /terr kee/, n. a republic in W Asia and SE Europe. 63,528,225; 296,184 sq. mi. (767,120 sq. km). (286,928 sq. mi. (743,145 sq. km) in Asia; 9257 sq. mi. (23,975 sq. km) in Europe). Cap.: Ankara. Cf. Ottoman Empire. * * * Turkey Introduction… …
85community ecology — Introduction study of the organization and functioning of communities (community), which are assemblages of interacting populations of the species living within a particular area or habitat. As populations of species interact with one …
86Matanuska Formation — Stratigraphic range: Late Cretaceous Type Geological formation Location Region North America The Matanuska Formation consists of more than 3 km (1.9 mi) of sedimentary strata e …
87travertine — 1. Hard calcareous mineral deposited by flowing water, that is the same as the calcareous variety of sinter and comparable to the softer tufa. The term is normally used only for deposits formed outside caves, where plants and algae cause the… …
88Coccolithophore — Coccolithaceae The coccolithophore Gephyrocapsa oceanica Scientific classification Domain: Eukaryota …
89Geography of Austria — Continent Europe Region Central Europe Coordinates …
90Coralline algae — Temporal range: Early Cretaceous–recent[1][2][3] …
