Mind Stretcher 1. What is the RANGE in temperature for this biome? (HINT: Use the line graph for temperature!)

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Presentation transcript:

Mind Stretcher 1. What is the RANGE in temperature for this biome? (HINT: Use the line graph for temperature!)

Marine Ecosystem: The Oceans

Did you Know? The OCEAN covers almost ¾ of the Earth’s surface and holds both the largest animals and the smallest organisms on earth?

Marine Ecosystem Characteristics Abiotic factors determine life in the ocean Temperature: As you get deeper, the temperature decreases Depth: Affects what organisms can live there Sunlight: How far the sun reaches affects life in ocean

Temperature Zones Surface Zone- warm top layer extending to 300 meters below sea level. Sun warms water & surface currents heat warm/cool waters Thermocline- 300 meters to 700 meters below sea level; here water temperature drops fastest with increasing depth Deep Zone- from base of thermocline to bottom of ocean Average Temperature= 2 Celsius

Intertidal Zone- “between tides” Ocean meets land; animals adapt the exposure of air and waves; snails, herons live here Neritic Zone- downward slope; warm water from sun; corals, sea turtles, fish, dolphins live here Oceanic Zone- sea floor drops sharply! Deep water of open ocean; plankton near surface, whales, shark, fish live here Benthic Zone- deepest, dark ocean; Very cold water/no sunlight reaches; Get food that is dropped or from thermal vents; crabs, worms, and animals adapted to darkness

Ocean Zones: p. 536 in textbook Intertidal Zone:

Deep Depth Creatures…Yikes! http://ed.ted.com/lessons/the-otherworldly-creatures-in-the-ocean-s-deepest-depths-lidia-lins#watch