basal platform
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Tikal — For other uses, see Tikal (disambiguation). Tikal National Park * UNESCO World Heritage Site … Wikipedia
Plaza of the Seven Temples — Structure 5D 96, the largest of the seven temples The Plaza of the Seven Temples (or Plaza de los Siete Templos in Spanish) is an architectural complex in the ruins of the Maya city of Tikal, in the Petén Department of northern Guatemala. It is t … Wikipedia
Tikal Temple V — The north side of Temple V Tikal Temple V is the name given by archaeologists to one of the major pyramids at Tikal. Tikal is one of the most important archaeological sites of the pre Columbian Maya civilization and is located in the Petén… … Wikipedia
Chiquirines — Chiquirines … Wikipedia
Spotted Owl — northern race plumage Conservation status … Wikipedia
Stone Age — the period in the history of humankind, preceding the Bronze Age and the Iron Age, and marked by the use of stone implements and weapons: subdivided into the Paleolithic, Mesolithic, and Neolithic periods. [1860 65] * * * First known period of… … Universalium
Cambrian Period — Oldest time division of the Paleozoic Era. During the Cambrian, 543–490 million years ago, there were widespread seas and several scattered landmasses. The largest continent was Gondwana. The average climate was probably warmer than today, with… … Universalium
Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… … Universalium
orchid — /awr kid/, n. 1. any terrestrial or epiphytic plant of the family Orchidaceae, of temperate and tropical regions, having usually showy flowers. Cf. orchid family. 2. the flower of any of these plants. 3. a bluish to reddish purple. [1835 45; < NL … Universalium
angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) … Universalium
