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Published byKevin Craig Modified over 8 years ago
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What is biodiversity? January 4
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Announcements Consider retaking the biome quiz – I encourage you to review the textbook pages (142-163) first Midterm exams will be the week of January 18 January 22 is the end of the 2 nd advisory! – Absolute last day to submit 2 nd advisory work
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Objective By the end of class, students will be able to explain the benefits of biodiversity
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Agenda Warm-Up How many species on Earth? New species face-off Introduction to biodiversity Benefits of biodiversity Exit Ticket Homework: Why should we care about the American alligator?
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How many species on Earth?
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About 1.5 - 2 million species are known to science. We have no idea how many species EXIST!
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How can we estimate the number of species on earth? 1. Think about it – 1 minute 2. Exchange ideas with your elbow partner – 1 minute
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One clue: how many species are discovered each year 15,000 new species every year
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Top 10 New Species of 2015 International Institute for Species Exploration One of their top-10 organisms is on the back of your warm-up Take 90 seconds to read about your organism
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Biodiversity Short for “biological diversity” Refers to the variety of living things on Earth
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Three Levels of Biodiversity Genetic diversity – Diversity of genes within a population Species diversity – Number of different species Ecosystem diversity – Variety of habitats and ecosystems
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Benefits of Biodiversity?
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Benefits of Biodiversity 1.Species are connected to ecosystems 2.Species and population survival 3.Medical, industrial, and agricultural uses 4.Ethics, aesthetics, and recreation
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Exit ticket Using your own words, describe one benefit of biodiversity. Turn in now: Warm-Up & Exit Ticket Turn in next class: Benefits of Biodiversity Homework
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