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Found 14 resources for the concept: Classification is based on evolutionary relationships

imageChimpanzee Droppings Lead Scientists to Evolutionary Discovery
Simian Immunodeficiency Virus (SIV) is thought to be a precursor to HIV. This multi-part case study explores changes in SIV in different chimpanzee populations and how researchers use this information to test hypotheses about the origins of HIV.

Audience: 13-16

Source: Kosal, Erica F.

Resource type: Classroom activity

imageA Strange Fish Indeed: The "Discovery" of a Living Fossil
Through a series of fictionalized diary entries, this case recounts the 1939 discovery by Marjorie Courtenay-Latimer (and identification by J.L.B. Smith) of a living coelacanth, a fish believed to have been extinct for 70 million years.

Audience: 13-16

Source: Grant, Robert

Resource type: Classroom activity

imageAn antipodal mystery
The discovery of the platypus had the scientific world in an uproar with its mammal-like and bird-like features. How was one to classify the platypus? This case study uses this issue to model the scientific process, with scientists arguing, debating, collecting more evidence, and revising their opinions as new data become available.

Audience: 13-16

Source: Herreid, Clyde Freeman

Resource type: Classroom activity

imageEvo in the news: The new shrew that's not
This news brief from March of 2008 describes scientists' discovery of a new mammal species, a giant elephant shrew. Though elephant shrews resemble regular shrews, recent genetic evidence suggests that elephant shrews actually sprang from a much older (and perhaps more charismatic) branch of the tree of life - the one belonging to elephants and their relatives.

Audience: 13-16

Source: UC Museum of Paleontology

Resource type: Evo in the News article

imageIsland biogeography and evolution: Solving a phylogenetic puzzle using molecular genetics
Students focus on the evolution of three species of lizards using real data sets — geographical and geological data, then morphology, and finally molecular data — to determine possible phylogenetic explanations.

Audience: 13-16

Source: Filson, R.P.

Resource type: Lab activity

imageClassification and Evolution
Students construct an evolutionary tree of imaginary animals (Caminalcules) to illustrate how modern classification schemes attempt to reflect evolutionary history.

Audience: 13-16

Source: Gendron, Robert

Resource type: Lab activity

imageUsing trees to understand plants: The work of Chelsea Specht
This research profile follows scientist Chelsea Specht as she pieces together the evolutionary history of tropical plants and their pollinators--and in the process, tries to figure out how to conserve endangered species.

Audience: 13-16

Source: UC Museum of Paleontology

Resource type: Research profile

imageA name by any other tree
Phylogenetics has affected almost every area of biology - even the most basic one: how we classify organisms. Find out how phylogenetic classification works and what its advantages are.
This article appears at SpringerLink.

Audience: 13-16

Source: Evolution: Education and Outreach

Resource type: Article

imagePhylogenetic systematics, a.k.a. evolutionary trees
Learn about phylogenetic systematics, the study of the evolutionary relationships among organisms, and how the field is shaping biological research today.

Audience: 13-16

Source: UC Museum of Paleontology

Resource type: Tutorial

imageNames, they are a-changing
The popular press often describes scientific controversies regarding which species ancient hominin fossils represent and how they are related to one another. How should students interpret the frequent name changes experienced by our extinct relatives? What should they make of headlines that trumpet major revisions of the branching patterns on our limb of the tree of life? This article will help teachers develop instruction surrounding these issues, discourage misconceptions, and help students interpret media coverage in light of the process of science.
This article appears at SpringerLink.

Audience: 13-16

Source: Evolution: Education and Outreach

Resource type: Article

imageMonkey opsins
This case study in the form of a set of PowerPoint slides examines the evolution of trichromatic vision in old world monkeys.

Audience: 13-16

Source: Evo-Ed

Resource type: Case study

imageSound trees
Students learn how spectrograms represent sound variation and then examine the sounds of owls for traits that might be useful in determining evolutionary relationships. They compare these traits to morphological ones and test their hypotheses.

Audience: 13-16

Source: Cornell Lab of Ornithology

Resource type: Lab activity

imageTeaching the Process of Molecular Phylogeny and Systematics: A Multi-Part Inquiry-Based Exercise
Students explore molecular data from Homo sapiens and four related primates and develop hypotheses regarding the ancestry of these five species by analyzing DNA sequences, protein sequences, and chromosomal maps.

Audience: 13-16

Source: Lents, Nathan, et al

Resource type: Lab activity

imageEvo in the news: The legless lizards of LAX
This news brief from October 2013 describes the discovery of four new species of legless lizard. Why don't we just call these animals snakes? Because of their evolutionary history...

Audience: 13-16

Source: UC Museum of Paleontology

Resource type: Evo in the News article

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