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evolution

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by

Khaled Awad

on 31 March 2011

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Transcript of evolution

Evolution Misconceptions about evolution Evolution is a theory about the origin of life Organisms are always getting better Evolution means that life changed ‘by chance’ Natural selection involves organisms ‘trying’ to adapt Natural selection gives organisms what they ‘need.’ Evolution is ‘just’ a theory Gaps in the Fossil Record Disprove Evolution Teachers Should Teach Both Sides Whats a theroy? Everyday Meaning Scientific An educated guess
One of many possible explaination about some phenomenon
"I have a throey" It is much more than an educated guess
its an explaination modle

Provide a basis for explaining observation of the natural world
tenative and open for revision and refinment Focus on STSE In pursuit of poison Write or Present a Discussion/ Dialogue/ Diary/ Advertisement Big Idea
Explain the fundamental theory of evolution, using the evolutionary mechanism of natural selection to illustrate the process of biological change over time Specific Expectations C3.1 Explain the fundamental theory of evolution, using the evolutionary mechanism of natural selection to illustrate the process of biological change over time. C3.2 Explain the process of adaptation of individual organisms to their environment C3.3 Define the concept of speciation, and explain the process by which new species are formed C3.4 Describe some evolutionary, and explain how they affect the evolutionary development and extinction of various species Inclusivity/ Sensitivity 3-Part Lesson Plan Lesson 1- Change over Time
Equals Evolution Lesson 2- Speciation Lesson 3- Mechanisms of Change • Pass the Picture Minds On! • Candy Dish Selection • Candy Dish Selection Show a picture of a made up animal to one person, who looks at the picture and passes it on to the next student. Illustrates a model of natural selection. Action Consolidation Consolidation Minds On! Action Action Consolidation Minds On! • X’s and O’s On different coloured papers, have students write/ type out 200 X’s and O’s on a piece of paper and hang it around the room. • Time String Tie knots at different points in a string to show time periods and difference in eras. • The Canidae Family Help students piece together phylogentic trees with a mystery activity • What Does a T-Rex Taste Like? An interactive that is fun and helps students understand evolutionary history. Also gives quiz questions to ensure students are on task • Camicules Students create their own phylogenetic tree. Think Literacy Revealed: Hidden tribe in the Amazon Government Loggers Scientists • Hammerheads Gives use for a rubber head and metal head in different situations. Can be used to compare to alleles and phenotypes. • Sour Gummies Some gummies taste different but look similar. Used to simulate mimicry. • Anti-Bacterial Simulation/ Microbe Clock Interactive that allow students to see adaptation for themselves • Peppered moth simulation Interactive that allows students to play games and understand the importance of camouflage, an important mechanism for survival. • Evolution in the News- Super-weeds/ Cancers "Superweed" discovered in Britain? Culminating Assignment Teacher Hints Use appropriate terminology Confusing terms and phrases Leaving the wrong impression Classroom Activities Exploring the Galapagos Proposed Lesson Sequence • What is evolution? Introduction of basic evolutionary concepts. Address misconceptions from the start.
• Speciation over time.
• Darwin and the Galapagos Islands
• Mechanisms of evolutionary change and adaptation.
• Genetic mechanisms of evolutionary change
• Real world applications, e.g. News articles, artificial breeding
• Consideration of student’s religious beliefs
• Student discomfort and disagreements
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