For an excellent and popular lesson in cladistics, see the lesson on this site. The University of California Museum of Paleontology has an excellent presentation of cladistics, phylogenies, and modern systematics what, why, when, and how. This could be given as a homework assignment online. . If the reader believes this to be the case, please let us know, and appropriate corrections will be made. Based on that chart, create a cladogram like the one pictured above.
Match the letter to its character. Just click on the file name to see it. Some of the worksheets displayed are Practice problems, Making cladograms background and procedures phylogeny, Making cladograms work answer key, How to make a cladogram, Making cladograms background and procedures phylogeny, Creating cladograms based on the ensisensi lesson making, Activity telephone cladograms, Cladogram practice. Nested sets of cans for everyone are a little harder to collect and store, and noisier, too! Some of the worksheets displayed are Cytochrome c lab pt 2, Essential knowledge phylogenetic trees and, Activity telephone cladograms, Lesson 5 5 protein structure and function a molecular, Answer key for cladogram analysis pdf, Objective materials procedures comparative anatomy, Evidence of evolution answers in gray background fossils, Writing research reports. CharacteristicPlantainSnapdragonFigwortBuddlejaFoxgloveMonkey flowerLopseedSpeedwell2 upper lobes3 lower lobesPetals form a tube4 or 5 sepals not visible in the photos on the worksheet but in a flower identification book or on google images these details can be found Create a cladogram in the space below using data from the table of flower structures.
See the on this site for sample Reading Guides for this article. However, retrieving them requires that the Adobe Reader be installed on your computer. In the past, biologists would group organisms based solely on their physical appearance. For an excellent tutorial to introduce , see our review of an article in the American Biology Teacher. All materials on this website are for the exclusive use of teachers and students at subscribing schools for the period of their subscription. You might try these before, or after students do the lesson with bags.
For the animals on the table, indicate whether the characteristic is present or not. Middle School Version added 4. General Instructions, prep, procedures 2. The following pages are in html, condensed as much as possible, but the first two may require printing onto 2 pages for each. Cytochrome C Lab Showing top 8 worksheets in the category - Cytochrome C Lab. Cladograms Showing top 8 worksheets in the category - Cladograms. This could be copied and printed as a student handout.
Have students read and discuss it. Another page 6 has three strips that should be cut apart, one per student or team of students. These work fine, too, especially as a demonstration. Summary information about cladistics 3. Sometimes a cladogram is called a phylogenetic tree though technically, there are minor differences between the two. The student pages include a choice of two Venn diagrams, only one of which would be provided to each student or team : one colored and one in shades of gray if color copier not used.
Any unauthorised copying or posting of materials on other websites is an infringement of our copyright and could result in your account being blocked and legal action being taken against you. They will be in the Evolution Lessons, Classification section. Note: this cladogram was created for simplicity and understanding, it does not represent the established phylogeny for insects and their relatives. A Mini-Lesson Cladistics Is a Zip. Be sure to see the for more extensive coverage of phylogeny, cladistics and systematics. It is a diagram that depicts evolutionary relationships among groups. To save time, the 8 cards on page 3 could be cut apart and provided, one set per student or team, along with a strip from page 6, one of the Venn diagrams, two pages of instructions 1-2 , and the discussion questions page 5.
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