Open Ocean

The open ocean differs from the _ zone

• Surface zone
• Transition Zone
• Neritic Zone
• Kelp Zone

Why is the open ocean cold?

• glaciers freezing the water
• organisms living in the ocean
• None
• The sunlight only penetrates the surface of the ocean

What is the typical salinity level in the open ocean?

• Between 34 and 35
• Between 10 and 12
• Between 50 and 53
• Between 65 and 70

Does the open ocean have threats?

• Yes 
• No

What is a threat to the open oceans environment?

• Polluition
• Climate change
• Sunlight
• None of the above

What kind of organisms live in the open ocean?

• Eagle
• Humans
• Bass
• Sharks

How much salt water is on earth?

• 75
• 97.5
• 2.5
• 33.

In what zone is water the darkest

• Surface zone 
• Transition zone
• Deep zone 
• There is no dark zone