Join thousands of students who trust us to help them ace their exams!Watch the first video
Multiple Choice
In which marine biome would you expect to find organisms that are adapted to withstand extremely high temperatures & a complete lack of sunlight?
A
Pelagic zone.
B
Intertidal zone.
C
Coral reefs.
D
Marine benthic zone.
Verified step by step guidance
1
Understand the characteristics of the marine benthic zone: It is the ecological region at the lowest level of a body of water, including the sediment surface and some sub-surface layers. Organisms here are adapted to high pressure, low temperatures, and complete darkness.
Recognize that hydrothermal vents are found in the marine benthic zone. These vents release hot, mineral-rich water, creating an environment with extremely high temperatures.
Consider the adaptations of organisms in this zone: Many are extremophiles, capable of surviving in harsh conditions such as high temperatures and lack of sunlight.
Compare with other marine biomes: The pelagic zone is open water, the intertidal zone is the area between high and low tide, and coral reefs are shallow, sunlit areas. None of these have the extreme conditions found in the marine benthic zone.
Conclude that the marine benthic zone is the correct answer, as it is the only zone where organisms are adapted to both high temperatures and a complete lack of sunlight due to the presence of hydrothermal vents.