Watching: Why Fish Can’t Reach the Bottom of the Ocean
Lesson #14107
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Why Fish Can't Reach the Bottom of the Ocean
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Gebruik één voornaam zonder spaties. Gebruik zo nodig bijvoorbeeld SamB.1. No animals can survive at the deepest point of the Mariana Trench.
2. Crustaceans for food on the seabed. (naar voedselresten zoeken / aas eten (0:07))
3. What unusual pattern exists in trenches across the Pacific?
4. Alan Jamieson originally trained and worked as an engineer.
5. The discovery of several fish together suggested that entire could survive at extreme depths. (populaties / diergroepen van dezelfde soort (2:38))
6. What did Jamieson’s team film near Japan in 2008?
7. TMAO molecules help cells cope with their . (omgeving / omstandigheden (3:14))
8. The concentration of TMAO decreases as a fish swims deeper.
9. What did Paul Yancey predict by extending the line on his graph?
10. Deep-sea pressure mainly threatens fish by flattening their bodies.
11. TMAO helps proteins maintain their molecular under immense pressure. (structuur / bouw (6:11))
12. Why can fish not continue increasing the amount of TMAO indefinitely?
13. Temperature and pressure both have a effect on cells. (verstorend / ontregelend (7:47))
14. The deepest fish was discovered in the Mariana Trench.
15. Why did Jamieson expect to find the deepest fish in the Ogasawara Trench?
16. Most members of the snailfish family naturally live in extremely deep water.
17. Snailfish have several physical , including the absence of scales and a swim bladder. (aanpassingen (9:24))
18. How does the appearance of the deepest fish differ from popular expectations?
19. Several biological factors work together in a complex . (wisselwerking / samenspel (11:01))
20. Sharks and rays generally reach the same depths as snailfish.
21. Why can some invertebrates reach depths of 11,000 meters?
22. The video suggests that 8,000 meters may once have been the maximum depth of the ocean.
23. The 8,000-meter limit may not be , but connected to the geological history of the oceans. (willekeurig (12:57))
24. How does warmer water affect the depth limit for fish?
25. Why is a laboratory prediction more convincing when researchers later confirm it in the natural world?
26. The snailfish looks very different from the frightening deep-sea fish seen in films. Why do you think people expect deep-sea animals to look dangerous?
27. If changing ocean temperatures move the depth limit for fish, what consequences could this have for deep-sea ecosystems?