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Chapter_18 - Chapter 18 BIO 1002 Chapter 18 Systematic...

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Chapter 18 BIO 1002 1/17/2008 Chapter 18 : Systematic: Seeking Order Amidst Diversity Organizing or grouping things helps in dealing with life -Example: Grocery store The same idea holds true for the study of life . Organisms are arranged or grouped by the science of taxonomy. I. Taxonomy: the branch of biology concerned with naming and classifying the diverse forms of life on our planet. Examples: -Homo Sapiens -Sciaenops Ocellatus - There are many ways things can be grouped - Ex: Plants vs. Animals - One of the early classifications placed the animals in one group and the plants in another. The bacteria, fungi and many protists were considered plants while some of the protists were grouped with the animals. II. 5 Kingdoms of Taxonomy A. Until recently the most commonly used taxonomic system had as its largest grouping five kingdoms: 1. Plants 2. Animals 3. Protists 4. Fungi 5. Monera III. 3 Domains of Taxonomy A. Now those five kingdoms are placed in 3 different domains. The 3 domains and the kingdoms within them each have observably different attributes that define them. The 3 Domains: (Fig.
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