Esa Unit2
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Esa Unit2

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Esa Unit2 Esa Unit2 Presentation Transcript

  • Gaia Hypothesis
  • Biomes
  • Planet Earth View slide
  • Earth’s Tilt View slide
  • Climate Zones
  • Earth’s atmosphere
  • Atmospheric Density Air density drops with altitude
  • Temperature
  • Temperature Temperature drops with altitude
  • Biomes Temperature Rainfall
  • Tundra Frozen Subsoil Few Trees Migratory birds Reindeer, moose
  • Taiga Boreal forest Coniferous Trees More Varied fauna
  • Deciduous Forest Temperate Seasonal Leaf drop Varied wildlife
  • Tropical Rainforest Daily rainfall Little temperature variation Biodiverse
  • Grasslands Seasonal temperature variation Low rainfall Herbivores
  • Desert Very arid Day/Night temperature variation Small animals reptiles
  • Chaparral Mediterranean California Seasonal rain Fire danger in off season
  • Coastal Salt Water Euphotic Zone: Most of Photosynthesis
  • Pelagic Open Ocean Phytoplankton for Photosynthesis Limited Nutrients
  • Coral Reef Warm clear water Very Biodiverse
  • Estuary Salt/Fresh water Boundary Nutrients & Sediment Tidal Dependance
  • Lakes & Ponds Fresh Water Turnover Lots of Nutrients
  • Streams & Rivers Oxygen depleted Seasonal turnover
  • Hydrothermal Vents Located at plate boundaries and hot spots chemosynthetic
  • Terrestrial Succession Depends on Climate and Soil
  • Terrestrial Succession Climax community
  • Aquatic Succession Eutrophication Accelerated by addition of fertilizers
  • Biome inhabitants
  • Interspecific Interactions Predator - prey
  • Predator Prey Larger smaller Less Abundant More abundant
  • Adaptations Camouflage
  • Adaptations Mimicry Monarch viceroy
  • Adaptations Startle Coloration Swallowtail peacock moth
  • Adaptations Chemical warfare
  • Interspecific Interactions Host Parasite Bigger smaller Provides home Specialized Reproduce faster
  • Parasitism Brood Parasitism
  • Parasitism Social Parasitism
  • Parasitism Parasitoids
  • Parasitism Plant Parasites Rafflesia
  • Mutualism Mutually beneficial symbiosis cooperation Oxpecker and impala Ants and acacia
  • Mutualism Coevolution of species Greater Honeyguide
  •  
  • Extinction Already Gone Greater Honeyguide
  • Extinction Factors: Low Population Density Amur Leopard South China Tiger
  • Extinction Factors: Loss of Habitat Silky Sifafka
  • Extinction Factors: Specialization Giant Panda
  • Extinction Factors: Human Activity Saiga Antelope
  • 1650 Factors: Deforestation
  • 1850 Factors: Deforestation
  • 1926 Factors: Deforestation
  • Biodiversity Successes DNA Showed Malayan tiger to be a New subspecies
  • Biodiversity Successes Recovery of previously endangered species Now delisted
  • Biodiversity Successes Discovery of new foods and drugs Madagascar periwinkle mangosteens
  • Biodiversity Successes Sustainable harvesting
  • Invasive Species kudzu Introduced in 1876 as a forage and ornamental plant
  • Invasive Species Zebra mussels Accidentally imported
  • Invasive Species Gypsy Moth Snails Deliberately imported
  • Invasive Species Scotch Broom
  •