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Oasis on the Barren Ocean Floor

What is the Mariana Trench?

Conclusion

Challenges of the Deep

- Specific set of challenges in the deep

- There are many adaptations

- One of those is Bioluminescence

Profile of the Deep Sea

Lack of Sunlight

=

Lack of Food

&

No Primary Production

- One Exception

Selection Pressures Lead to Organisms with Various Adaptations

Bioluminescence

"Bioluminescence is the is the production and emission of organic light by a living organism."

- National Oceanic and Atmospheric Administration

- Energy Efficiency:

- Wait for Food

- Large Mouths

- Large Teeth

- Eat Large Prey

- Abyssal Gigantism

How Deep are we Talking?

Uses:

- Mate Attraction

- Defense

- Offense

Defense

Deep Sea Anglerfish

Offense

The Swimming Sea Cucumber

Bioluminescence in the Mariana Trench

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