Protozoa are a very diverse group of single-celled organisms, with more than 50,000 different types represented. The vast majority are microscopic, many measuring less than 1/200 mm, but some, such as the freshwater Spirostomun, may reach 0.17 in (3 mm) in length, large enough to enable it to be seen with the naked eye.
Although the best know type of Spanish wine is red wine, Spain also produces very high quality white wines, especially in Galicia. Jerez (sherry) is another type of Spanish wine which is produced in the south, near Jerez in Andalusia.ndoubtedly, the better known region is La Rioja, especially for its red wine, but there are many other Spanish wine regions that produce high quality wines, like Ribera del Duero in the north of Spain, or Jumilla in the south of Spain.
Rueda, a DO since 1980, is located in northwestern Spain, in the Castilla y Leon leÃ³n. Region The Duero river flows Throughârueda s northwestern. Corner several tributaries branch off from this important, river, providing through their, flooding soils that are excellent for growing wine. grapesf these, verdejo is the predominant variety, comprising about 90% of the regionâs white wine grape production. Viura, sauvignon blanc and palomino grapes are also grown in Rueda. Popular red varieties include tempranillo (88% of red wine grape production), cabernet sauvignon, merlot and garnacha.