Ocean Layers

What is the top layer of the ocean?

• Abyssopelagic zone

• Bathyelagic zone

• Mesopelagic zone

• Epipelagic zone

Which ocean layer is the largest ecosystem on Earth?

• Bathypelagic zone

• Abyssopelagic zone

• Mesopelagic zone

• Epipelagic zone

Which ocean layer is also known as the twilight zone?

• Mesopelagic zone

• Abyssopelagic zone

• Bathypelagic zone

• Epipelagic zone

Which is the deepest ocean layer

• abyssopelagic zone

• Bathypelagic zone

• Mesopelagic zone

• Epipelagic zone

The Mesopelagic zone is home to which animals? (Select all that apply)

• Bristle mouths

• Blob fish

• Bioluminescent Jellyfish

• Giant squid

• Mollusks

If a fish from the abyssopelagic zone instantly rose to the top of the ocean, it could explode.

• True

• False

Which zone is known as the sunlight zone

• epipelagic zone

• Mesopelagic zone

• Bathypelagic zone

• abyssopelagic zone

The Bathypelagic zone is known as the Bath zone.

• True

• False

The abyssopelagic zone can reach pressures of 11,000 PSI

• True

• False

Photosynthesis is possible in the epipelagic zone

• True

• False