BIOL 1202 Lecture Notes - Lecture 2: Orthomyxoviridae, Varicella Zoster Virus, Dna Virus
Document Summary
Evidence of species existed in the past that don"t exist today: comparative anatomy. Homologous structures: different environmental forces favor changes in structures in related organisms. Similar environmental forces select for similar structures in unrelated organisms. Common use and similarities of dna, rna, amino acids, ribosomes, genetic code, atp, electron carriers, electron transport systems, etc . Correlation of dna, proteins, etc. with relatedness of species. All living things can be classified as a prokaryote and a eukaryote. We subdivide the species of eukaryotes and prokaryotes into kingdoms. The three domains and the kingdoms within them each have observably different attributes that define them. 2 billion years ago first prokaryotes become the first eukaryotes. Archaea and eukaryotes more closely related than either are to bacteria. The organization of taxonomic grouping arranges organisms in sets. Each set is then grouped with other sets into a larger set. The major taxonomic categories from most inclusive (biggest set) to least inclusive (smallest set) are:
