Tuesday, March 5, 2013

Your Inner Fish Chapter 7 Review

    Essential question: Why are bodies there for us?

    Shubin deepens our learning about the history. This year, in biology we learned about the history of life and Cambrian explosion. We learned it through the 12 hour clock. Shubin discuses a little more about this history but instead of 12 hour clock he uses months and years. 

   Organisms are classified into different domains Everyone should know that organisms come in two basic sizes.  Single celled organisms in the Domains Eubacteria and Archeabacteria and multi-cellular organisms in the domain Eukarya. Shubin also talks about how we can use unicellular organism to study how we arrived. Not only that he talks something about Hydroxyapatite, which is strong when compressed, and Collagen, which is strong when ends are pushed together. 

This is kind of implied in the book but the main reason why multi-cellular organism can live is energy and the chemical processes that we can carry out. We can connect this to what we are learning currently in class today about cellular respiration. With our body being able to break down glucose and everything we able to do. We wont be able to live in this world. 
           

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