Exploring Earth's Oceans

What are the 5 oceans of the world?

• Atlantic, Indian, Arctic, Southern, Pacific

• Atlantic, Indian, Arctic, Mediterranean, Pacific

• Atlantic, Baltic, Arctic, Southern, Pacific

• Atlantic, Indian, Arctic, Caribbean, Pacific

What are 3 gases exchanged throughout the ocean that support life processes?

• Nitrogen, oxygen, carbon

• Hydrogen, helium, neon

• Carbon dioxide, argon, krypton

• Oxygen, carbon monoxide, sulfur dioxide

What does the movement of water influence worldwide?

• Climate and weather patterns

• Only ocean currents

• Only gas levels

• Only animal migration

What are at least 3 features of ocean topography?

• Mountains, valleys, plains

• Mountains, trenches, mid-ocean ridges

• Trenches, islands, reefs

• Valleys, plateaus, hills

How are geological processes related to mid-ocean ridges, underwater mountains and islands, and oceanic trenches?

• They are formed by tectonic activities and volcanic eruptions

• They are formed by erosion only

• They are formed by sediment deposition

• They are formed by atmospheric changes

Which zone sits above the continental shelf?

• Intertidal zone

• Pelagic zone

• Abyssal zone

• Hadal zone

Which oceanic zone is characterized by abundant sunlight and supports photosynthesis, making it vital for marine food webs?

• Bathypelagic zone

• Mesopelagic zone

• Epipelagic zone

• Hadalpelagic zone

What type of organisms are found in the mesopelagic zone, also known as the twilight zone?

• Coral reefs and tropical fish

• Deep-sea sharks and whales

• Bioluminescent organisms like viperfish and lanternfish

• Plankton and algae

True or False: The neritic zone is located deep below the ocean surface and lacks sunlight.

• True

• False

How does the environment change as one moves from the epipelagic zone to the abyssopelagic zone in terms of light and temperature?

• Increases in light and stable temperature

• Decreases in light and temperature

• Increases in light and temperature

• Stable light and decreasing temperature