In the 19th century, some scientists such as Jean-Baptiste Lamarck (1744–1829) and Ray Lankester (1847–1929) believed that nature had an innate striving to become more complex with evolution.
No século XIX, algúns científicos como Jean-Baptiste Lamarck (1744–1829) e Ray Lankester (1847–1929) crían que a natureza facía un innato esforzo para facerse máis complexa a medida que evolucionaba.