PPT-Cladograms

What does a cladogram show us A cladogram shows evolutionary relationships between groups of living things It is like a family tree for species How do you read a cladogram The closer two species are on the . Taxonomy and Cladograms. What is Taxonomy?. For millennia humans have created different ways to describe the living things on our planet.. At first our attempts to organize and classify animals were simple and based solely on their external appearance.. HIPPO WHALE. Evolutionary Link. Whales and hippos had a common water-loving ancestor 50 to 60 million years ago that evolved and split into two groups:. The cetaceans (whales, dolphins, and porpoises). : . Phylogenies. Depict ancestor and descendent relationships among organisms based on homology. These evolutionary relationships are represented by . cladograms. , branching diagrams that organize those relationships . Cladograms. Big Idea: . Phylogenies. Depict ancestor and descendent relationships among organisms based on homology. These evolutionary relationships are represented by Diagrams called . cladograms. Tree of Life. Pictorial representation of the . branching patterns of evolution. that are reflected in . modern taxonomy. Each branch is called a . clade. and represents a . change or changes. that lead to the . By . Chris Paine. https. ://. bioknowledgy.weebly.com. /. . 5.4 Cladistics. The images above are both . cladograms. . They . show . the statistical similarities between species based on their DNA/RNA. The . Option D. D5 Phylogeny and Systematics. Jason de Nys. All syllabus statements ©IBO 2007. All images CC or public domain or link to original . material.. http://en.wikipedia.org/wiki/File:Tree_of_life_SVG.svg. Pre-test. Which mammal is the pig more closely related to, cow or camel?. Which mammal here is the most primitive?. Fig. 4.8b. Common ancestor. Root of the tree. Nodes. Terminal taxa (tips). Branches. Animals and fungi are more closely related than either is to plants.. Who is more closely related?. Determining Evolutionary Relationships . Fossils. Morphology (homologous structures). Why can’t we use analogous structures? . Modern Evolutionary Classification 18.2 Modern Evolutionary Classification Lesson Overview Modern Evolutionary Classification Evolutionary ClassificationThe concept of descent with modification led to Depict ancestor and descendent relationships among organisms based on homology. These evolutionary relationships are represented by . cladograms. , branching diagrams that organize those relationships . Big Idea: . Phylogenies. Depict ancestor and descendent relationships among organisms based on homology. These evolutionary relationships are represented by Diagrams called . cladograms. . (branching diagrams that organize relationships) . Warm Up: Set up your notes in your notebook. Page: 55. Title: Cladograms. Date: 1/18. EQ: How can I model divergent evolution. Standard. : B8B Categorize organisms using a hierarchical classification system based on similarities and differences shared among groups. Cladistics. is the identification of . clades. and construction of . cladograms. .. http://evolution.berkeley.edu/evolibrary/search/imagedetail.php?id=261&topic_id=&keywords. = . Clades. are nested within one another — they form a nested hierarchy. A .