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BIOA01H3 (699)
Lecture

biodiversity lec 2.docx

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Department
Biological Sciences
Course
BIOA01H3
Professor
Mark Fitzpatrick
Semester
Winter

Description
Classification of Life: Classification: to group things in a meaningful way. -For studying the purpose and identification -Edu purposes, to study more about them Uses: -Molecular information -Anatomy and appearances -Geographical location Carolus Linnaeus Taxonomy: practice of classifying organisms -Founded how to sort organisms -Called these groups Taxons and Taxa (Singular) Order of Taxa: Kingdom, Phylum, Class, Order, Family, Genus, Species Kids Put Chocolate on Father’s Good Shirt Naming: Binomial Nomenclature: 2 word species naming process, based on anatomy Genus Name: Capitalized, underlined by hand, or italicized on the computer Species Name: Underlined by hand, italicized on the computer Dichotomous Keys: Key or chart that involves deciding 2 characteristics at a time in order to properly classify organisms. Cell Types Prokaryotic: larger size (0.2 – 2.0 um) in diameter -No nuclear membrane -No cellular membrane -No Cytoplasm either -Cell wall usually present and complex -Single circular chromosome arrangement -Binary Fission cell division -No meiosis, but transfer of DNA through conjugation Eukaryotes: 10-100um in diameter -True nucleus, nuclear membrane, and nucleoli -Cellular membrane present -Cell wall simple if present -Cytoskeleton and cytoplasm
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