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F riends, recently three states namely Tripura , Meghalaya and Nagaland got new Chief Ministers in the month of March 2018. Ministry of Consumer Affairs, Food and Public Distribution, Govt. I am Sharath Chandra , a daily follower of Gr8AmbitionZ. Summary In the Lizard Evolution Virtual Lab students explore the evolution of the anole lizards in the Caribbean by collecting and analyzing their own data. The virtual lab includes four modules that investigate different concepts in evolutionary biology, including adaptation, convergent evolution, phylogenetic analysis, reproductive isolation, and speciation. Each module involves data collection, calculations, analysis and answering questions.
The lab is appropriate for students in high school biology and environmental science classes, and undergraduate biology, ecology, environmental science courses. The focus on observation, measurement, and experimental methods makes the lab a good fit for addressing “science as a process” or “nature of science” aspects of the curriculum. The emphasis on the collection, analysis, and graphing of data, connects to the mathematical dimension of biology and general goals of STEM integration. Download the accompanying PDF worksheet for students to complete as they go through the Virtual Lab. DNA sequence comparisons among different populations and species allow scientists to determine how distantly related different species are and how long ago they split from a common ancestor. Different species can independently evolve similar traits by adapting to similar environments or ecological niches in a phenomenon known as convergent evolution.
The biological definition of a species is a group of interbreeding individuals that are reproductively, and thus genetically, isolated from other groups. When two groups within one species become geographically isolated—separated by a physical barrier, such as a river, canyon, or mountain range—genetic changes in one group will not be shared with members of the other, and vice versa. Over many generations, the two groups diverge as their traits change in different ways. For two groups to become distinct species, traits must change in ways that will keep members of each group reproductively isolated—meaning that they will not mate or produce fertile offspring with members of the other group—even if they come to be in the same geographic location. Graphing data is an important way to objectively document differences and similarities.
It can make it easier to spot patterns that would otherwise be difficult to see in tables of measurements or direct observations. Statistical tools provide a way to quantify variability in biological data and describe the degree of uncertainty in the results obtained using these data. By downloading, you agree to the permissions to use this file. I used The Lizard Evolution Virtual Lab as we researched the concepts of evolution and natural selection in my 10th grade biology class. C, HS-LS4-1, HS-LS4-2, HS-LS4-3, HS-LS4-4, HS-LS4-5, HS-LS4. Practice the skills and techniques of scientific research in a fully interactive, virtual environment.
Learn the fundamentals of math, statistics,and how to use a spreadsheet in data analysis. Learn interactives, and from lecture series to classroom activities. Anolis lizards of the Caribbean provide a living example of evolution and speciation. The species of Anolis lizards of the Caribbean provide a living example of evolution and speciation.
This Click and Learn explains how DNA sequences can be used to generate such trees, and how to interpret them. Technology, vision, and knowhow that enables organizations to unleash the true value of human connection. A single platform that creates, manages, and measures group business. Customized solutions to fit your unique needs, for your organization. Find your own success with the Cvent platform through our webinars. Cvent is the global meeting, event and travel technology leader. Help is just a click away The Cvent Community is your central resource to get the answers you need in a variety of ways.
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