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1. Swordfish dive down to extreme depths in the "twilight zone." What is the technical name for this zone, and what pressure conditions would the swordfish experience there?

A. The mesopelagic zone; greater pressure
B. The epipelagic zone; less pressure
C. The bathypelagic zone; greater pressure

Answer :

Final answer:

The technical name for the twilight zone where swordfish dive is the mesopelagic zone, characterized by greater pressure. As swordfish descend to depths of 200 to 1000 meters, they encounter increasing pressure, reaching over 50 atm at 500 meters. This zone is crucial for understanding the adaptations of marine life.


Explanation:

Understanding the Twilight Zone and Swordfish Pressure Conditions

The technical name for the zone in which swordfish dive is called the mesopelagic zone. This zone extends from about 200 meters (656 feet) to 1000 meters (3280 feet) below the ocean surface. Here, light diminishes significantly, leading to a unique ecosystem.

In the mesopelagic zone, swordfish experience greater pressure due to the weight of the water above them. The pressure increases by approximately 1 atmosphere (atm) for every 10 meters of depth. Therefore, at a depth of 500 meters, swordfish would be subjected to around 50 atm of pressure, which can affect physiological functions.

Overall, while the mesopelagic zone provides a rich environment for marine life, the immense pressure poses challenges that species like swordfish have adapted to over time.


Learn more about Mesopelagic zone here:

https://brainly.com/question/9825592


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