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Published byGeorgina Marshall Modified over 9 years ago
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Cladograms RaccoonsLesser pandasGiant pandasBears Common Ancestor Cladograms are sometimes called branching diagrams Show phylogeny or EVOLUTIONARY HISTORY. Also called phylogenetic tree
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Three purposes: -show common ancestors -show shared features -show how closely one organism is related to another
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Cladograms SharksFrogsKangaroosHumans Common Ancestor Vertebrae Four Limbs Mammary glands Placenta This diagram shows a relationship between 4 relatives. These relatives share a common ancestor at the root of the tree. Note that this diagram is also a timeline. The older organism is at the bottom of the tree. The four descendents at the top of the tree are DIFFERENT species. This is called SPECIATION
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- Cladograms CharacteristicsVertebraeFour LimbsMammary glands Placenta Shark YESNO Frog YES NO Kangaroo YES NO Human YES 1 2 3 4
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Let’s analyze this one together….
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What animal does not have jaws?
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Which animals have lungs?
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Which animals are probably predators?
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What other animals would come after the chimp?
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Which animals would come before the hagfish?
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