Planet Earth: Shallow Seas

Approximately how deep do the shallow seas reach?

• 200 m

• 1.000 m

• 500 m

• 20,000 m

Shallow seas make up ____% of the world's oceans.

• 20

• 8

• 50

• 12

Select all of the reasons a humpback whale is considered a mammal and not a fish.

• lack gills; have lungs

• omnivorous

• have mammary glands (feed their young milk)

• cold blooded

• migrates long distances to reach a feeding ground

Identify why the shallow seas near the equator are a poor habitat for the adult humpback whale.

• home to many predators

• lacks nutrients to feed other organisms

• lacks cooler temperatures necessary for reproduction

• too much competition of limited resources with other whales

The Great Barrier Reef is actually made of many reefs. How many?

• 150

• 3,000

• 2,000

• 20

Which of the following pairs of species in coral reefs benefit from one another?

• file clams and small fish

• banded sea kraits and algae

• polyps and algae

• algae and pygmy seahorses

What animal am I?

• pygmy seahorse

• spotted seahorse

• aquatic chameleon

• pygmy shrimp

What organism am I?

• plankton

• a plastic bag

• krill

• algae

What animal am I?

• striped ocean eel

• sea viper

• finless barracuda

• banded sea krait

What animal am I?

• blue whale

• beluga

• humpback whale

• orca whale