Monday, December 23, 2013

Diversity Of Organisms

Diversity of Organisms Concept: Phylogeny and the Tree of Life matter: Phylogenies depute evolutionary relationships. Phylogeny Evolutionary history of a species of a throng of related species Constructed by using inference from systematics o A discipline that focuses on classifying organisms and their evolutionary relationships o Includes fossils, morphology, genes, and molecular(a) evidence Taxonomy lucid division of organisms into categories based on a set of characteristics utilise to assess equalities and differences Binomial words 2 part naming system Consists of the genus which the species belongs and the organisms species indoors the genus o Canis familiaris Developed by Carolus Linnaeus Hierarchical miscellany - TAXONS domain Kingdom Phylum Class Order Family Genus Species Phylogenetic trees Depict hypotheses intimately evolutionary relationships Braches reflect the stratified classifications of groups nested within much inclusive groups [pic] Topic: Phylogenies atomic number 18 inferred from geomorphologic and molecular info.
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Homologous structures Similarities due to shared ancestry o grind away up of a whales flipper and a tigers paw Convergent evolution When deuce organisms developed comparableities as they equal to similar environmental challenges o Not because they evolved from a popular ancestor o silk en bodies of a tuna and a dolphin Th! e likenesses are considered equivalent o Do not indicate relatedness, show similar solutions to similar problems ? Wing of butterfly to the wing of a run adaptations for flight Molecular systematics Uses DNA and other molecular data to scramble evolutionary relationships The more alike the DNA sequences of ii organisms, the more closely related they are evolutionarily...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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