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Warm Up #

Warm Up #. In a temperate forest biome, what do you consider to be a keystone species? Why would you choose this plant/animal/decomposer? Why are coral reefs an important biome to conserve? How does coral bleaching happen?. More Seawater Biomes. Review: Coral Reefs.

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Warm Up #

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  1. Warm Up # • In a temperate forest biome, what do you consider to be a keystone species? Why would you choose this plant/animal/decomposer? • Why are coral reefs an important biome to conserve? • How does coral bleaching happen?

  2. More Seawater Biomes

  3. Review: Coral Reefs • Coral = keystone species • Tropical rainforests of oceans • Mutualism relationship with algae • Coral bleaching and ocean temperatures

  4. Another Coastal Biome • Intertidal Zone – area between high and low tide • Changing salinity, water levels, heat, etc. • Shellfish, seastars, etc. (biodiverse) • “Tide Pools”

  5. One More…haha Barrier Islands – long, thin offshore islands running parallel to shore • Purpose: protection (storm waves) • Beach = constant shifting • Humans build cities here (Miami, Atlantic City) • Expensive and dangerous

  6. Humans Kill Everything • Coastal living • Waste and pollution • Loss of wetlands (mangroves) • No barriers = more floods • Expensive

  7. Beach Erosion • 70% of beaches eroding Causes • Warmer climate • Redirecting rivers • Drainage of groundwater Solutions • Importing sand ($$$) • “Beachsaver Module”

  8. Open Ocean • 10% of aquatic life • Limiting factors: temperature, sunlight, oxygen, nutrients • Low productivity • Larger sized aquatic life

  9. 3 Zones • Euphotic Zone (0 – 200 meters) • Photosynthesis, nutrient poor, oxygen rich • Blue whales, plankton, tuna • Bathyal Zone (200 – 1500 meters) • Twilight (some photosynthesis), oxygen rich • Squid, crabs, octopi • Abyssal Zone (1500 – 10,000+ meters) • No photosynthesis, dark, nutrient rich, oxygen poor • Filter feeders (nutrients in water) and Deposit feeders (fallen dead matter)

  10. Quick Quiz # • Why is living in a place like Miami potentially dangerous, given what biome it is? • Which open ocean zone would you most likely find the most amount of nutrients? Describe the two types of feeders in this zone. • What are some of the limiting factors in open ocean biomes? Where would you find the: • Highest Nutrient Zone? • Highest Oxygen Zone? • Highest Light Zone?

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