Deep-Sea Ecosystems and Seep Types

The video explores unique ocean ecosystems, focusing on seep and vent communities. These ecosystems thrive in the absence of light, relying on chemosynthesis for energy. Hot vents, found at seafloor spreading centers, and cold seeps, located in various geological settings, host diverse organisms. The video discusses the formation and characteristics of these ecosystems, highlighting the role of methane and hydrogen sulfide. It concludes with a call to explore additional resources for further learning.

What is the primary energy transfer mechanism in deep-sea ecosystems where light is absent?

• Fermentation

• Respiration

• Photosynthesis

• Chemosynthesis

Which type of vent is associated with seafloor spreading centers and high temperatures?

• Hot vents

• Cold seeps

• Hypersaline seeps

• Subduction zone seeps

What type of organism is commonly found near hot vents and relies on chemosynthetic bacteria?

• Sea turtles

• Jellyfish

• Tube worms

• Coral

Which of the following is NOT typically found in cold seep communities?

• Clams

• Shrimp

• Extremophiles

• Microbial mats

What is the primary energy source for organisms in cold seeps?

• Nitrogen

• Methane

• Sulfur

• Sunlight

What unique feature do hypersaline seeps create on the ocean floor?

• Sand dunes

• Underwater lakes

• Coral reefs

• Volcanic islands

What causes the high salinity in hypersaline seeps?

• Glacial melting

• River inflow

• Buried salt beds

• Evaporation

What type of seep is associated with the formation of asphalt strips on the sea floor?

• Subduction zone seeps

• Hypersaline seeps

• Hydrocarbon seeps

• Cold seeps

Where are subduction zone seeps commonly found?

• Coral reefs

• Oceanic trenches

• Continental shelves

• Mid-ocean ridges

What gas is primarily associated with subduction zone seeps?

• Nitrogen

• Carbon dioxide

• Oxygen

• Methane