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Published byEustacia Maxwell Modified over 9 years ago
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Which do you like better? A B
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A B
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A B
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A B
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A B
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AB
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AB
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What do you think biodiversity means?
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Bio = Bio diversity
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Diversity = Variety
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Biodiversity is the variety of life on Earth and the essential interdependence of all living things Scientists have identified more than 2 million species. Tens of millions remain unknown. The tremendous variety of life on Earth is made possible by complex interactions among all living things including microorganisms.
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3 Levels of Biodiversity 1. Genes 2. Species 3. Ecosystems
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1. Genetic Diversity Example: There are differences in dogs because of differences in their genes. ChihuahuaBeagleRottweiler
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Saki Monkey (animal) Golden Skimmer (insect) Meadow Beauty (plant) 2. Species Diversity Example: There are different organisms that live in ecosystems.
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MarineTexas Grasslands 3. Ecosystem Diversity Example: There are different ecosystems that support different forms of life. Tundra
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Which is more diverse? A B
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A B
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A B
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A B
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A B Which has more cultural diversity?
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AB Which has more biodiversity?
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AB
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Value = worth something
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What do we get from biodiversity? Oxygen Food Clean Water Medicine Aesthetics Ideas
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Should we be concerned about biodiversity? What we know: The Earth is losing species at an alarming rate Some scientists estimate that as many as 3 species per hour are going extinct and 20,000 extinctions occur each year. When species of plants and animals go extinct, many other species are affected.
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Threats to biodiversity Habitat destruction Pollution Species Introductions Global Climate Change Exploitation
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