Teacher resources and professional development across the curriculum

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Life Science: About the Course

Teacher-Talk Life

[Channel-talklife] Session 5

From: Kimberly Kristine Minton (kim.mint@sbcglobal.net)
Date: Wed Apr 28 2004 - 12:20:55 EDT


Hello, this is my posting for Session 5 on Variation, Adaptation and Natural Selection.
Being very fond of Labrador retrievers, I thought it would be fun to use them to develop a unit on the fundamentals of evolution. Since they tend to come in three colors, chocolate, black and yellow, I thought it would be very easy. There are definitely other traits and behaviors that the students could look at such as size, and hunting ability. I found various websites with wonderful pictures that could be used to demonstrate parents, and litters. Many of the sites help show the ways that different combinations are made. I think in fourth grade the focus would be on how offspring resemble their parents. I think that when talking about mating and genetics that they can understand that each offspring receives half of its' genetic make up from each parent and that their is a fifty fifty chance it could be like mom or dad in each of its' traits. I am not sure about going much deeper, they would have to have learned about cells and their parts. I would like to hear anyone Else's'
 ideas.

Kimberly Minton

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