We talked about biodiversity and the reasons why we care about biodiversity. We turned both of these in at the end of class. Students used more time to work on their biome organizer and their energy brochure. The rest of the time was spent using the computers to do research. We dissected an owl pellet to gain information about the life of owls. Students started working on a project to wrap up the ecology unit. Students took the entire class period to work on their project. Students learned about types of reproduction and how DNA plays a role in reproduction. The quiz for this will be next class period. Students also received a new list of word roots. This does not need to be made up if you were absent unless you would like to. Students started by taking a pretest for the unit. One group worked on a microscope activity and the other group did a card sorting activity. After learning about the stages of the cell cycle, students were split into two groups. Students learned all about types of reproduction and the cell cycle. We finished class by doing a summary of the following article which is due by next class period: How scars are formed 2/8-2/9 Students learned about the types of signals that cells can receive. If you missed this activity you will need to come in before or after school to make it up. Students finished the microscope and mitosis envelope activity. After we discussed what the possible ethical issues people may have with this type of research, students were given several articles and the following paper to help them organize their thoughts: Stem Cell Research Paper 2/12-2/13 We watched the following video to help us understand why there is controversy about stem cell research: Stem Cell Controversy. We used this sheet to help us take some notes: Stem Cell Note Sheet. We then had a conversation about stem cells, what they are, and what they can potentially be used for. We began class by looking at some more slides of mitosis and trying to count how many of each stage of mitosis was in each picture. Here is the review sheet from bingo: Mitosis Bingo Review 2/14-2/15 We played bingo to review our mitosis terms and to get ready for the quiz next class. We participated in a low key conversation about what their possible thoughts about stem cell research were. Students took a few minutes to finish up their stem cell research pages. We used this karyotype to learn the terms diploid, haploid, homologous pairs, meiosis. We did an online activity to help us understand the idea of the DNA that is inside a cell: Karyotype Activity We did not turn anything in for this activity. After predictions we talked about how meiosis works. We used this karyotype to make predictions about how meiosis works. Students looked at another karyotype and we analyzed its properties. All other activities listed were hands on activities that were not turned in. We also completed a meiosis worksheet that was handed in. Over the two days, students made a venn diagram about the differences and similarities of mitosis and meiosis, did an activity using strips of paper to model meiosis and used these same papers to show how independent assortment and crossing over work and create variety. This lesson was spread over two class days due to the fact that many students were ice skating for the sophomore trip. We played pictionary with any remaining time using vocab words that could be on the test. Students prepared for the test by dividing up the study guide and every person making one multiple choice question that could be on the test. Students took a test and then played a game called skunk to help us understand probability.
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