Identify at least five characters possessed by birds. This film describes how this film describes how the more than 700 islands of the caribbean are home to about 150 species of anoles, a closely related group of. Biol 1051 lab 5evolutionary evidence phylogenetic tree worksheet spring 2017 adapted from the. Powerpoint on classification and evolution and worksheet with evolutionary tree questions. For this biodiversity worksheet, students determine the relationship and complete the evolutionary tree for the plants listed. Each level tasks you with building a phylogenetic treea small piece of the overall tree of life. Evolutionary theory does encompass ideas and evidence regarding lifes origins e. Classification and evolution aqa b1 teaching resources. How has biotechnology affected the process of building phylogenetic trees from dna sequences. This website and its content is subject to our terms and conditions.
Lizards in an evolutionary tree is one of three films in hhmis origin of species collection. Each monophyletic group on an evolutionary tree can be identified by one or more synapomorphies biological species concept definition of a species as a population or group of populations whose members can breed with one another in nature and produce fertile offspring. Make sure you draw an arrow to show the direction of time. Students choose four of ten activities that involve.
How would you describe the evolutionary relationship between dinosaurs, mosasaurs and lizards. Phylogenetic evolutionary tree showing the evolutionary relationships among various biological species or other entities that are believed to have a common ancestor. Showing top 8 worksheets in the category evolutionary tree. Worksheet with tables to fill in paper pencil procedure each person or group should analyse a. Most of evolutionary biology deals with how life changed after its origin. In the past, biologists would group organisms based solely on their physical appearance. Tree that allows evolution of the sequences with the. Lab 2 illustrating evolutionary relationships between. The animals are all members of the same class because they all diverged from a com mon ancestor at the same point, 25. Watch the video clip on slide 3 and then draw a simple tree illustrating the evolutionary relationships between gorillas, chimpanzees, humans, and orangutans. Obstacles and approaches to teaching and learning evolution in the southeastern united states. Internal nodes are generally called hypothetical taxonomic units in a phylogenetic tree, each node with. Materials required by each student or group cards with pictures of the organisms printed in colour. A root is an inferred species that is the common species to all of the taxa groupings in the tree.
To speak of evolutionary trees and of the tree of life has become routine in evolution studies, despite recurrent objections. Circle all of the mammals in the phylogenetic tree in question 22. However, students often struggle with interpreting even simple evolutionary trees. Phylogenetic tree cladogram project worksheet taxonomy activity thanksgiving. On the evolutionary tree, label the vertical lines to the right, and annotate the key feature that marks each group. Internal nodes are generally called hypothetical taxonomic units in. Provide reasoning for the placement on the tree of the species that is least related to the others. Origin of species lizards in an evolutionary tree film. Following this link leads to a student worksheet that provides extremely detailed steps on how to create a phylogenetic tree. Due to the openended nature of this worksheet, students will come up with many different combinations and layouts. However, the end result should be an evolutionary tree that shows the basic relationship between each of the animals. They interpret patterns in the structure of the biological community at each site in light of the abiotic physical and chemical and biotic nature of the environment. Worksheet creating phylogenetic trees from dna sequences student worksheet extension activity address the following concepts in essay form in the space provided below.
Todays lecture understanding phylogenetic trees phylogeny the pattern of evolutionary relationships among species, their descent from common ancestors what is phylogeny. Worksheet with tables to fill in paper pencil procedure each person or group should analyse a different set of organ. A problem is that the erm model predicts less imbalance than observed for trees inferred from real data. Understanding evolutionary trees teaching resources. As an example of this concept, the figure below illustrates how different species of warblers utilize different portions of an individual tree.
To minimize interspecific competition, organisms often divide the limited available resources in an area, a concept called resource partitioning. Please follow my store by clicking the star by my picture to get updates when more great products. It is based on phylogeny, which is the study of evolutionary relationships. More than 400 species of anoles have been described worldwide, and about 150 of them are found on the.
Worksheets learning evolution using phylogenetic analysis student worksheet pdf. Ngss life science is a curriculum community for middle school and high school science teachers. The most widely used evolutionary model for phylogenetic trees is the equalrates markov erm model. Also add circles to show were the common ancestors are found. Evolutionary trees questions and study guide quizlet. Lab 2 illustrating evolutionary relationships between organisms.
Identify whether morphological data or amino acid sequence data are more likely to accurately represent the true evolutionary relationships among the species, and provide reasoning for your answer. Prior to their visit, students should be familiar with the idea of phylogeny and have basic tree reading skills. Working in the islands of the caribbean, biologist jonathan losos discovered traits that enable. Misconceptions about evolutionary theory and processes. Interpreting evolutionary trees ku biodiversity institute. Evolutionary trees are incredibly useful tools for evolutionary biologists.
A lineage in a phylogenetic analysis that falls outside the clade being studied. The anoles are excellent examples of adaptive radiation, convergent evolution, and speciation through reproductive isolation. Sometimes a cladogram is called a phylogenetic tree though technically, there are minor differences between the two. This worksheet has 1 graphic organizer, 8 multiple choice. Microevolution and the genetics of populations lesson 10. Constructing a phylogenetic tree gulf coast state college. In binomial nomenclature, each species is assigned a twopart scientific name. Introduction the ability to think broadly about the living world is rooted in an understanding of lifes diversity. How does the tree illustrate the fact that those animals are all members of the same class.
Tes global ltd is registered in england company no 02017289 with its registered office at 26 red lion square london wc1r 4hq. Unrooted trees illustrate the relatedness of the leaf nodes without making assumptions about common ancestry. Discussion questions pdf and use the web activity, the above sites, and the sites listed below to answer the questions. The film focuses on a closely related group of lizards called anoles genus. Interpreting evolutionary trees choose any four activities to complete, and record your answers on a separate sheet of paper. On the cladogram, circle the node that represents the most recent common ancestor of the. Phylogeny methods i parsimony and such joe felsenstein. This method, called cladistics or phylogenic systematics attempts to reconstruct evolutionary relationships of both living and extinct organism. Cladograms are treelike diagrams that attempt to hypothesize common descendent relationships for organisms. A phylogenetic tree is a model of evolutionary relationships. This film explores the adaptation of anole lizards genus anolis to habitats common across the islands of the caribbean. Cladograms and phylogenetic trees provide a visual image of the relationships between organisms, and our quiz and worksheet can help ensure that you understand all of the differences between the two.
The evolution of a species is dependent on changes in the genome of the species. High school and middle school curriculums include darwins natural selection experiments, adaptation labs, evolutionary science projects, evolution activities, species demos, genetic evolution worksheets, and evolution exam test quiz questions. The ap biology exam frequently asks students to interpret evolutionary trees or even build their own cladogram simple evolutionary tree. Students place 6 terms into a crossword puzzle and 3 terms into fill in the blank statements. Teams of students measure physical and chemical characteristics of different sites in streams andor ponds and collect benthic invertebrate organisms. Evolutionary trees look at the animals and discuss which ones are more closely related. Based on this evolutionary tree, crocodiles are more closely related to birds than to lizards because they share a more common ancestor with the birds than with lizards. All members of the clade being studied will be more closely related to each other than to the outgroup, so the outgroup will branch off at the base of that phylogeny.
Students place 6 terms into a crossword puzzle and 3 terms into fill. Phylogeny is the evolutionary history of a species. Published march 2014 updated april 2015, may 2017 page 1 of 10 educator materials using dna to explore lizard phylogeny. Human family tree the smithsonian institutions human. Pasting phylogenetic tree sequences in newick format will instantly create a phylogenetic tree with this generator. A thanksgiving science paper lab for taxonomy, cladograms, and phylogeny. Origin of species lizards in an evolutionary tree film guide. A find the tree diagram on the 5th floor associated with the mosasaur specimen above the main museum entrance. Understanding phylogenetic trees phylogeny the pattern of evolutionary relationships among species, their descent from common ancestors what is phylogeny. The theory of evolution worksheets opening image daniel korzeniewski, 2010. Emperor penguins and phylogenetic trees prelab reference reading.