5-6 BIOL 1001 Intro Evolution Hist Evolnary Thought (Jan. 16 18) post-lecture

the same principle applies to all species charles

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: adualism – slow processes over long geologic 2me periods • Accumula2on of small changes over long periods of 2me can add up to big changes • Uniformitarianism – present is key to past & vice ­versa • Current geological processes occurred in past at same rate as today. 29 Darwin was influenced by other scien2sts… Buffon (1707 ­1788)  ­ organismal differences related to environments inhabited Huoon (1726 ­1797)  ­ gradualism Lamarck (1744 ­1829)  ­ proposal of how evolu2on occurred Lyell (1797 ­1875)  ­ uniformitarianism Darwin (1809 ­1882)  ­ Theory of Natural Selec2on Darwin absorbed the ideas that: 1.  Varia2on within popula2ons is important 2.  BIG changes can occur very gradually over long periods of 2me (accumula2on of changes) 31 Timing was ripe… Malthus & the capacity for popula2ons to increase Malthus: An Essay on the...
View Full Document

Ask a homework question - tutors are online