Term
| Depth levels of the deep sea (5) |
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Definition
1. Mesopelagic: 200-1000 m
2. Bathypelagic: 1000-2000 m
3. Bathyal: 200-2000 m
4. Abyssal: 2000 – 6000 m
5. Hadal > 6000 m |
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Term
| Characteristics of Mesopelagic animals (3) |
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Definition
1. Small size
2. Huge eyes, jaws, and teeth
3. Bioluminescence and countershading |
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Term
| Reasons for bioluminescence (4) |
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Definition
1. Predator avoidance
2. Species recognition
3. Prey attraction
4. Mate attraction |
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Term
| Characteristics of Bathypelagic animals (5) |
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Definition
1. Bigger individuals, lower abundance and biomass
2. High species diversity
3. Black and red in color
4. No vertical migrations to the surface
5. Small or large eyes, bioluminescence |
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Term
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Definition
| Oases of life discovered in late 70s on accident by Bob Ballard. Vent circulation for hot water |
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Term
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Definition
-Black Smokers: minerals rich in Manganese, Iron, and Sulfur
-White Smokers: Hydrothermal vents, lower temperature, more Manganese |
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Term
Hydrothermal vent animals (endemic)
(3) |
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Definition
1. Giant tube worms Riftia
2. Giant clams Calyptogena
3. Abundant mobile animals and filter feeders |
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Term
| How hot can the Alvinella tolerate? |
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Definition
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Term
| What makes whale fall communities work? |
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Definition
| Chemosynthetic symbionts live on methane or Hydrogen Sulfide from decaying whale and whale oil |
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