Theories of evolution 5.0 / 5 based on 3 ratings ? BiologyAdaptations of organisms to their environmentGCSEAQA Created by: jackstevens_Created on: 16-05-16 20:34 What are the 4 stages of Natural Selection? 1) variation (in population) / mutation 2) longer nosed individuals get more food / leaves 3) (these) survivors breed (more) 4) pass on genes / alleles / DNA (for long nose) 1 of 5 What are the two stages to Lamarck’s theory? 1) Phiomia / ancestor stretched its nose (during its lifetime) to reach food / leaves 2) passed on (stretched nose) to offspring 2 of 5 In the 1800s, many scientists could not decide whether Lamarck’s theory or Darwin’s theory was the right one. Give two reasons why. insufficient evidence / no proof mechanism of inheritance not known 3 of 5 Before the 1800s, many people had a different idea to explain where all the living things on Earth came from. What idea was this? God made all living things 4 of 5 Whos theory is now widley known to be the truth? Charles Darwin natural selection 5 of 5
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