PPT-T he branch of biology concerned with the classification of organisms into groups based

etc TAXONOMY Why classify things Organize Categorize Order Supermarkets Linneaus 1750 Grouped living things by their PHYSICAL TRAITS. Updated: January 2015. By Jerald D. . H. endrix. Microbial Classification . and Taxonomy. Classification Systems. Levels of Classification. Definition of “Species”. Nomenclature. Useful Properties in Microbial Classification. Classifying Living Things . Scientists identify, define, and name species of organisms . A . species. is a group of organisms that share similar physical features, are genetically similar, and . can reproduce with one another to produce a viable offspring.. CLASSIFICATION OF LIVING THINGS. ABOUT HOW MANY LIVING THINGS EXIST ON EARTH?. 1.5 MILLION KNOWN ORGANISMS. THOUSANDS MORE IDENTIFIED EACH YEAR. ABOUT 10 MILLION DIFFERENT ORGANISMS BELIEVED TO EXIST ON EARTH. Classifying Organisms. Classification: is the process of grouping things based on their similarities. . Non living things can be classified based up external features like hard vs. soft, round vs. triangular, or big vs. small.. Test Review. #1. What . is taxonomy. ?. a. the scientific study of how living things are classified . b. the name of Aristotle’s classification system . c. the process used by geologists to classify rocks . Chapter 18. http://analyzer.depaul.edu/astrobiology/kingdoms.jpg. Classification. During the fifteenth and sixteenth centuries, the exploration of new lands brought large numbers of unknown plants and animals to the attention of naturalists. European explorers returned from other parts of the world with so many unidentified organisms that it became difficult to keep track of them all. . 2. There are . 13 billion. known . species of organisms. This is . only 5% of all. organisms that ever lived!!!!!. New organisms. are still being found and identified. Species of Organisms. 3. What is Classification?. Updated: January 2015. By Jerald D. . H. endrix. Microbial Classification . and Taxonomy. Classification Systems. Levels of Classification. Definition of “Species”. Nomenclature. Useful Properties in Microbial Classification. Section 1 - Biodiversity. Biologists have named and classified almost 2 million species. They believe the total is much greater.. Various methods of classification have been used to organize their knowledge of the tremendous number of species. Species have been placed in categories based on particular characteristics.. latin. or . greek. names for organisms (which can be hard to remember/understand). Wouldn’t it be easier simply to refer to their common name? . Finding order in diversity. Section 18.1. How are scientific names assigned? . A . dichotomous key . is used to identify organisms. It consists of a series of paired statements or questions that describe alternative possible characteristics of an organism.. Binomial nomenclature. In microbiology, . taxa. are . intially. constructed from . strains. . A . strains . is made up of all the descendants of a pure culture. It is usually a succession of cultures derived from an . intial. The cytology or cell biology. . (Gr., . Kytos. -hollow vessel or cell, logos- to discourse) is a biological science which deals with the study of cells from morphological, biochemical, physiological, developmental, . Prepare for your AP Biology exam with confidence using these expertly crafted questions and answers. Dive into key topics and gain insights into effective study strategies.