Ocean Layers

What is the name of the layer of the ocean that has the most life?

• Midnight (bathypelagic)

• Twilight (mesopelagic)

• Sunlight (epipelagic zone)

• Abyss (abyssopelagic)

Which layer of the ocean starts at 600 feet and extends to 3000 feet?

• sunlight (epipelagic zone)

• twilight (mesopelagic)

• midnight (bathypelagic)

• trenches (hadalpelagic)

The ocean layers are divided by the amount of __________________ in each layer.

• animals

• salt

• light

• people

There’s very little life, immense pressure and absolutely no sunlight in this zone. Name it.

• sunlight (epipelagic zone)

• twilight (mesopelagic)

• midnight (bathypelagic)

_______ has the greatest variation in temperature and salinity in the ocean.

• Layer A

• Layer B

• Layer C

Tags

NGSS.MS-ESS2-6

Which zone will you find the warmest waters? 

• twilight

• abyssal 

• midnight

• sunlight

In which zone do you find animals that are colorless and have no eyes? 

• Midnight

• Twilight

• Abyssal

• Sunlight

As oceans become deeper, the water pressure ___________________.

• increases

• decreases

• stays the same

As you move deeper into the water temperature, pressure and salt content change.

• true

• false

Tags

NGSS.MS-ESS2-4

MOST sealife lives in the:

• Sunlight zone

• Twilight zone

• Midnight zone

• Deep zone