Lesson 2 - Darwin & his discoveries
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Importance of Sir Charles Lyell?
- Theory that Earth’s surface has always changed and continues to change through similar, uniform and very gradual processes (1830) Two significant conclusions: that Earth must be unimaginably ancient dramatic change could result over such extremes of time through slow, seemingly slight processes uniformitarianism
What did Jean-Baptiste Lamarck believe?
He believed in INHERITANCE of ACQUIRED TRAITS or those changes in an individual resulting from interaction with the environment. & anything that is unused = smaller + weaker giraffe’s neck
What did Darwin observe?
Many unusual fossils resembled currently living species in the same region 13 finches he brought back, and none found anywhere else on earth and all similar to one species found on the closest land mass. The Galapagos contained No mammals