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