Marine Science Unit 2 Review

The sunlight zone is also known as the __________________________ zone.

• hot
• bright
• happy
• euphotic

As oceans become deeper, the water pressure ___________________.

• increases
• decreases
• stays the same

90% of the ocean belongs in this ocean layer.  What is it?

• sunlight
• twilight
• midnight

The midnight zone is also known as the __________________ zone.

• frozen
• aphotic
• frightening
• dark

Which zone has the warmest water temperature?

• sunlight
• twilight
• midnight

Tags

NGSS.MS-ESS2-6

Which zone is completely dark and near freezing in temperature?

• sunlight
• twilight
• midnight

Sunlight allows ________________ to occur in the sunlight zone.

• bioluminesence
• transpiration
• photosynthesis
• voting

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The Twilight Zone is also known as

• The Epipelagic Zone.

• The Mesopelagic Zone.

• The Hadalpelagic Zone.

Our Earth, the water planet, has _______% of salt water.

• 3

• 97

• 75

Our Earth, the water planet, has ____% of fresh water.

• 3

• 75

• 97