Lecture 09_19 - Main Points All life has some...

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Main Points All life has some characteristics in common (unity) The differences between life-forms allow them to be classified (diversity) Bacteria, Archaea, Eukarya
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Evolution explains the unity and diversity of life.
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Life Plants Protists Protists Protists Protists Protists Protists Animals Fungi 10,000 260 270,000 80,000 1,300,000 98,000 1,000– 1 million 400,000– 500,000 500,000– 1 million 10 million– 100 million 1–2 million Millions BACTERIA ARCHAEA EUKARYA M i t o c h n d r a C l p s Number of known (described) species Estimated total number of living species Time Evolutionary Tree
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Common features of all cells, part 1 1. DNA serves as a template for duplicating itself. 2. Hereditary information is stored in DNA 3. Parts of the DNA are templates for the synthesis of RNA. 4. RNA is a template for the production of proteins. 5. Proteins are made by ribosomes using a single genetic code.
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Common features of all cells, part 2 6. All cells must take in energy and
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Lecture 09_19 - Main Points All life has some...

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