Which part of the article has the best information about how ocean water helps animals swim?
Surviving in Salty Water
Staying Warm
The Vast Oceans
Breathing Air
From the caption on page 66, the reader learns...
the walrus has 2 tusks
the walrus has a blowhole
the walrus has thick fur to keep it warm
the walrus looks like a whale
What evidence can be found in the sidebar on blue whales?
A blue whale’s blowhole closes when it goes underwater.
Blue whales swim in all oceans of the world.
Blubber protects blue whales from the cold ocean waters.
Whales and dolphins don’t use gills to breathe air.
The root of marine is mare, which means “the sea.” What does marine mean?
without the sea
one that lives in the sea
related to the sea
filled with the sea
The purpose of the sidebar illustration is to show
how the whale releases air.
the whale’s blubber.
how it finds food.
the size of a whale.
Which evidence from the text shows the author’s feelings about marine animals?
Ocean animals have adapted in all kinds of amazing ways.
Huge animals like blue whales can move it easily.
Whales and dolphins are two animals that have to breathe air
How are Paragraphs 1 and 2 on page 66 connected
They compare people and marine animals.
They provide the effects of using no gear
They explain how animals adapt to the ocean.
They describe the problem of cold water.
Which detail BEST supports the MAIN idea of the section titled “The Vast Oceans” on page 66 of the article?
Whales and dolphins are animals that have to breathe air.
Thick layers of blubber help whales survive the cold water
Ocean waters have different temperatures.
Oceans cover more than half of Earth’s surface.
Why does the author compare lungs to a rubber bag?
to show what the lungs are made of
to describe what the lungs feel like
to explain how the lungs work
to prove that animals must breathe
