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PPT Lecture: Vanishing Species
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Slide 2 - Biodiversity Bio = Life Diversity = Different # of different species in an area.
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Slide 3 - Stop and Think. What would have a greater biodiversity
Slide 3 - Stop and Think! What would have a greater biodiversity? A tropical rain forest or a desert? Pretend both are equal in size.
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Slide 4 - Stop and Think Again
Slide 4 - Stop and Think Again! What country has the greatest biodiversity of mammals? Canada = 163 United States = 367 Mexico = 439
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Slide 5 - Terrestrial Biodiversity Tends to increase the closer an areas is to the equator because it is warmer. Tropical regions contains 2/3 of all land species on Earth!
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Slide 6 - Stop and Think. What would have a greater Biodiversity
Slide 6 - Stop and Think! What would have a greater Biodiversity? The small island of Maui or the bigger island of Iceland?
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Slide 7 - Importance of Biodiversity Nature – Life depends on lIfe
Slide 7 - Importance of Biodiversity Nature – Life depends on lIfe! Humans – Medicine, Oxygen, Food!
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Slide 8 - Loss of Biodiversity Extinction – Disappearance of a species
Slide 8 - Loss of Biodiversity Extinction – Disappearance of a species! Endangered Species – When a species is close to extinction! Threatened Species – When pop. of species declines rapidly
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Slide 9 - Threats to Biodiversity
Habitat Loss Habitat Fragmentation Habitat Degradation
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Slide 10 - Habitat Loss Habitat = Address Destroying habitats for buildings (businesses and housing)
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Slide 11 - Habitat Fragmentation Fragment = Broken Piece To break up or separate a habitat!
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Slide 12 - Habitat Degradation Degrade – Worsen To make a habitat worse by pollution!
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Slide 13 - Purpose of Lecture Conservation
Slide 13 - Purpose of Lecture Conservation! Conserve – preserve or maintain the quantity and quality of habitats!
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