According to Beatty (1986), population genetics defines the core of the modern synthesis. In the first few decades of the 20th century, most field naturalists continued to believe that Lamarckian and orthogenic mechanisms of evolution provided the best explanation for the complexity they observed in the living world.
The Netherlands has been a constitutional monarchy since 1815 and a parliamentary democracy since 1848. Previously, it was a republic from 1581 to 1806, and a kingdom between 1806 and 1810 (it was part of France between 1810 and 1813).
Its capital is Amsterdam. Citizens of Netherlands use the Euro as their currency. Netherlands is located in the Europe/Amsterdam time zone. Residents mostly speak Dutch (official). Netherlands's GDP is 722,300,000,000. In addition, the land area of Netherlands totals 41,526 km2. The phone code prefix for Netherlands is 31. There are also 13,699,000 internet hosts in the country. Approximately 14,872,000 internet users reside in Netherlands. Netherlands phone lines include 19,643,000 mobile phones. There are 7,086,000 landline phones in Netherlands as well. Netherlands has 10 telecom operators which are: Altice, KPN, KPN Mobile, NetGuard, Scarlet, T-Mobile Netherlands, Telfort, Versatel, Vodafone Netherlands, Ziggo.