Lecture_3_7Oct2019_posted.pdf - Vertebrate Ecology and Evolution EEMB 113 Crotaphytus bicinctores Notes and reflections \u2022 \u2022 \u2022 \u2022 Add codes Mini

Lecture_3_7Oct2019_posted.pdf - Vertebrate Ecology and...

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Vertebrate Ecology and Evolution EEMB 113 Crotaphytus bicinctores
Notes and reflections Add codes Mini chat Building rapport Lecture slides for study
Mexican caecilian African pygmy hedgehog Bullocks oriole Echidna Collard lizard Spotted salamander Arizona myotis Earthworm
How could we get better results?
Phylogenetic systematics aka cladistics (aka Hennigian systematics) Willi Hennig, Published works 1950s 80s Three key features 1. Use derived characters rather than overall similarity 2. Reject taxonomic groups that include some but not all descendants of a common ancestral species 3. Insist on a system that directly reflects evolutionary relationships
I.O. # limbs Loco. Par. Care Secrete Live or egg 1 Caecilian Y 0 Slither Y Y Live 2 Hedgehog Y 4 Walk Y Y Live 3 Echidna Y 4 Walk Y Y Egg 4 Col. Liz Y 4 Walk N N Egg 5 Worm N 0 slither N N Egg 6 Myotis Y 4 Fly Y N Live 7 Oriole N 4 Fly Y N Egg 8 Sala. N 4 walk N N Egg 1 2 3 4 5 6 7 8 Cae 1 Hedgehog 2 4 Echid 3 4 5 Col. Liz 4 1 3 4 Worm 5 2 0 1 3 Myotis 6 3 4 3 3 1 Oriole 7 1 2 3 3 3 4 Sala. 8 0 2 3 5 4 2 4 Similarity
I.O. # limbs Loco. Par. Care Secrete Live or egg 1 Caecilian Y 0 Slither Y Y Live 2 Hedgehog Y 4 Walk Y Y Live 3 Echidna Y 4 Walk Y Y Egg 4 Col. Liz Y 4 Walk N N Egg 5 Worm N 0 slither N N Egg 6 Myotis Y 4 Fly Y N Live 7 Oriole N 4 Fly Y N Egg 8 Sala. N 4 walk N N Egg Similarity