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Wake-up 1.Make 2 observations about the diagram below. Make sure that it has to do with the animals, not the design of the diagram.
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Phylogeny Christopherson
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Define: Cladistics/Phylogeny Evolutionary history of organisms
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Phylogenetic Trees Diagram representing evolutionary relationships
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How to Read a Phylogenetic Tree Characteristics Common Ancestor Branch = Speciation Organisms
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How to Make a Phylogenetic Tree #1 Group organisms by shared characteristics; often provided
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How to Make a Phylogenetic Tree CharacteristicsSharkBullfrogKangarooHuman Vertebrate Two pairs of limbs Mammary glands Placenta x xx x x x xx x x Place X’s according to what characteristics the organisms have. In case you don’t know what a placenta is, I have attached a picture. I have also attached a video of a kangaroo showing how it works as a marsupial.
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How to make a Phylogenetic Tree #2 Place characteristics on the phylogenic tree; The characteristic that all organisms share will be at the bottom. Shared characteristic by all
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Vertebrate Pairs of Limbs Mammary Glands Placenta
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How to make a Phylogenetic Tree #3 Place organisms on the tree; organism with the fewest characteristics on the first line Organism with fewest Organism with most
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Shark Bullfrog Kangaroo Human Vertebrate Pairs of Limbs Mammary Glands Placenta
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Shark Bullfrog Kangaroo Human Vertebrate Pairs of Limbs Mammary Glands Placenta a. What characteristics do the bullfrog and the kangaroo have in common? Vertebrate Paris of Limbs
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Shark Bullfrog Kangaroo Human Vertebrate Pairs of Limbs Mammary Glands Placenta b. Which organism is most closely related to the human, the bullfrog or the shark? Explain. Bullfrog: Share the most characteristics
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What characteristic(s) do a crocodile and a rabbit have in common? Vertebrate, bony skeleton, four limbs, and amniotic egg
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Which organism is most closely related to a bird? What trait links them together? Crocodile; eggs with shells
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What organism(s) have vertebrate, bony skeleton, four limbs? Amphibians, Primates, Rodents/Rabbits, Crocodiles, and Birds
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Activity: Creating a Cladogram -You are about to build a Cladogram. The video above will really help you in your construction. -Once complete watching the video, find a partner to work on the cladogram. -Cut and past the critters on a long piece of white paper. -Make sure to include characteristics on the lines. As far as what those are, be creative. -Put both partners name on the paper and turn it into the bin. -Pick up your homework
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