Our Planet: Coastal Seas

The seas bordering land make up how much of the world's oceans?

• Half

• Third

• Quarter

• Less than a tenth

What percentage of marine life lives in coastal waters?

• 90%

• 70%

• 50%

• 30%

What is the sea floor in coastal waters rich in?

• Oxygen

• Carbon dioxide

• Sunlight

• Nutrients

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Shallow tropical waters in Everglades National Park are covered in what?

• Kelp

• Sea grass

• Algae

• Mangroves

What do Bottlenose Dolphins use to assist them when hunting?

• Highly developed sense of smell

• Echolocation

• Electrical impulses

• Extra sensitive tastebuds

What do the dolphins do to help them catch the fish?

• Make clicking noises

• Splash with their tails

• Encircle them with a ring of mud

• Dive underwater

What has happened in the National Park to ensure enough food for the dolphins?

• Hunt other animals which might use their food supply

• Ban the use of boats

• Only allow seasonal tourism

• Ban commercial fishing

Tags

NGSS.MS-LS2-1

How many much more carbon dioxide is absorbed by sea grass compared to rainforest?

• x15

• x25

• x35

• x45

Tags

NGSS.MS-LS2-3

What is the challenging factor that mangroves are able to deal with in coastal waters?

• Shallow water

• Being eaten by herbivores

• Varying saltiness

• High intensity UV radiation

Tags

NGSS.MS-LS1-5

What percentage of all marine species live in coral reefs?

• 10%

• 25%

• 50%

• 75%