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Forensic Science B. Forensic Biology. Today’s Agenda: . Review DNA Test- Complete test data analysis form. Last day to reassess is May 3 rd - 15 class days from today Start Forensic Biology Unit- Today is microorganisms… where person died. After the Video:. Turn in your questions.

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Forensic Science B


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    1. Forensic Science B Forensic Biology

    2. Today’s Agenda: • Review DNA Test- Complete test data analysis form. Last day to reassess is May 3rd- 15 class days from today • Start Forensic Biology Unit- Today is microorganisms… where person died

    3. After the Video: • Turn in your questions. • Complete the Microbe Murder Mystery lab in the lab area- supplies on the black cart

    4. What is covered under the title “Forensic Biology”? • Microbiology • Entomology • Botany • Odontology • Osteology • Anthropology • Environmental Crimes • Pathology

    5. What is studied in Forensic Microbiology? • Microscopic organisms • Protists, Algae, Fungi & Bacteria • Mostly used in cases of drowning through identification of diatoms

    6. What are diatoms? • Single-celled organisms that are found in salt and fresh water • Types of algae with silica in cell walls • Resistant to degradation • Certain species can only be found in certain areas

    7. How are diatoms used to identify? • If victim’s heart is still beating when he/she inhales water, diatoms will pass from the water to the lungs and eventually to the blood stream • They may be pumped throughout the body • Tend to collect in the bone marrow • Thus, it can be determined that someone was alive when placed in the water • Since there are specific habitats for these, they can also indicate where someone entered the water