Deep‑Sea Species Mastery Quiz
Challenge yourself with eight rigorous questions covering rare ocean dwellers, evolutionary tricks, and ecological roles.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which deep‑sea creature produces light using a symbiotic bacterial colony housed in a specialized organ?
- 2
What species is known to survive the extreme pressures of the Mariana Trench's Challenger Deep?
- 3
Which marine animal practices male pregnancy, with the male carrying fertilized eggs in a brood pouch?
- 4
Identify the fish that undertakes the longest annual oceanic migration, traveling over 14,000 km between feeding and breeding grounds.
- 5
Which organism uses a highly expandable stomach to swallow prey up to half its own length, often seen engulfing fish whole?
- 6
What is the name of the coral species discovered at depths exceeding 2,000 meters, thriving without sunlight?
- 7
Which toothed whale can emit clicks reaching up to 250 kHz, the highest known among cetaceans?
- 8
Which deep‑sea crustacean replaces its entire exoskeleton annually, a process that can take up to six months?
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