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attachment-3.ashx - ReviewSheet PSY3323Exam1 .(orperson)ina

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Review Sheet PSY3323 Exam 1 Be familiar with the following concepts as we discussed them in class and as  they are discussed in the readings. If you can explain the concept (or person) in a  sentence to someone unfamiliar with the class then you will do fine on the exam!  Prevailing thoughts in Darwin’s time God created all species on Earth Therefore could not be changed Young Earth less than 10,000 years old… This was believed Fossils explained as catastrophes not because of extinction… They were dead bc of a  catastrophe… Artificial selection Find a trait everyone wants Breed for that trait Generations later – Two Distinct Breeds Lyger, tigon, zonkie, growler bears accidental breeding… These breads are not fertile. Malthus’ theory of population growth Economist Without check, human population outgrow food and living spaces Malthusian Catastrophe  Population will outgrow resources… This creates struggle to exist. . Formula can be  applied to all species plants to humans, more people are produced than can survive
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Darwin’s theory of natural selection Those individuals possessing characteristics increasing chances of survival and  reproduction are more likely to leave descendents. Descendents will possess more characteristics that enhance survival  Characteristics evolve over time to resemble better adapted individuals. Descent with modification All share common ancestor Become reproductively isolated species IE. Over many generations may no longer look like common ancestor at all. Decent leads to branching Do not evolve directly from other species We did not evolve from chimpanzees we branched off from a shard ancestor. Mendel’s theory of inheritance Breeds pea plants Realizes offspring don’t get blend of traits Instead get offspring that look like either parent But trait is not gone Breed children… sometimes parent trait reappears Evolution by natural selection works through genetic transmission Genes only acquired through reproduction Anything learned not inherited. . Inheritance of acquired characteristics Inheritance is particulate and not blended Qualities of the parents are not blended with each other but rather are passed on  intact to their offspring in distinct packets called genes.  Furthermore parents must be born with genes they pass on; genes cannot be  acquired by experience.
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Four pieces of evidence for evolution: Fossil Record, Convergent  Evolution, Homology, Embryology  Fossil Dating Document evolutionary transition Example Archaeopteryx- in between a bird and a dinosaur
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This note was uploaded on 10/10/2011 for the course PSYCH 3315 taught by Professor Etherton during the Spring '09 term at Texas State.

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attachment-3.ashx - ReviewSheet PSY3323Exam1 .(orperson)ina

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