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The Abyss

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The Abyss Characteristics Three quarters of the ocean is in the abyss and hadal zones (300 million square kilometers) Depths below 3,000 meters Temperature = 2 ... – PowerPoint PPT presentation

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Title: The Abyss


1
The Abyss
2
Characteristics
  • Three quarters of the ocean is in the abyss and
    hadal zones (300 million square kilometers)
  • Depths below 3,000 meters
  • Temperature 2 degrees C
  • 300 to 1,000 atmospheres of pressure
  • Animals have very low metabolic rates

3
Inhabitants of the deep sea floor
  • Echinoderms (cucumbers and crinoids)
  • Polychaete worms
  • Isopods
  • Amphipods
  • Some bizarre fish

4
Characteristics of deep sea creatures
  • High species diversity
  • Suspension feeders on DOM
  • Most are infaunal deposit feeders engulf
    sediment and digest bacteria and DOM.
  • Some are scavengers and predators

5
Anglerfish
6
Chimera
7
Fangtooth
8
Gulper
9
Overbite
10
Vampire Squid
11
Deep Sea Starfish
12
Tube Eye
13
Viperfish
14
Basket Work Eel
15
Blob Fish
16
Chimaera
17
Chimaera pup
18
Coffin Fish
19
Crab
20
FangTooth
21
HatchetFish
22
LizardFish
23
Prickly Shark
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