Warm Up 5/19-20/15 Describe/Draw a rain shadow. Which type of biome does this cause? Create a double bubble map describing any 2 biomes.

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Presentation transcript:

Warm Up 5/19-20/15 Describe/Draw a rain shadow. Which type of biome does this cause? Create a double bubble map describing any 2 biomes.

Aquatic Biomes Mr. Hedrick

Two Major Types What are they? Marine Freshwater

Marine Ecosystems Also split into two main groups. Discuss with a partner what these might be. Photic Zone Aphotic Zone What does photic mean?

Subdivided further Intertidal Coastal (Neritic) Open Ocean Benthic

Zones

Intertidal Zone (Shoreline) Tell me a little about the intertidal zone. Organisms are not always submerged. Adaptations?

Coastal (Neritic Zone) Extends from low tide mark to the outer edge of the continental shelf. Photosynthesis usually occurs in this region so it is also a… Photic Zone Kelp Forests and Coral Reefs Tell me about the animals.

Nutrients and Coral Reefs What seems to be the current issue with the relationship between coral and nutrient levels? What are the benefits to having coral reefs present in costal biomes? What question would you ask Dr. Wiedenmann about his article if you had the opportunity?

Open Ocean (Oceanic) Begins at the end of the continental shelf and extends outward Largest zone Typically has low level of nutrients mostly consumed by phytoplankton. Why do you think it has lower nutrient levels?

Warm Up 4/4-7 Describe, in detail, 1 marine biome. What adaptations have intertidal organisms made over time in order to be successful?

Open Ocean Animals What adaptations might they have? The two largest animals alive today live in this zone. What do they have in common?

What is plankton? Singular, plankter A general term for free floating organisms found in fresh and salt water Phytoplankton Responsible for half the worlds oxygen Autotrophic Many can’t be seen with the naked eye Basis of aquatic animal food Zooplankton Feed on phytoplankton Many are too small to be seen by the naked eye Includes krill

Benthic Zone What makes this different? Adaptations to live here? Ocean Floor Area of high pressure, cold temperatures and total darkness How do the animals get energy? Some producers are chemosynthetic Aphotic

Animals of the Deep