Save the Ocean - CH 3

Which behavior is an example of an instinctive behavior?

• A dolphin teaching its baby to whistle

• A sea otter using a rock to open a clam

• A fish swimming without being taught

• A whale migrating to warmer waters

What is the main reason fish swim in schools?

• To find food faster

• To stay warm

• To avoid predators

• To communicate with each other

Which text feature helps explain how echolocation works?

• A sidebar about dolphin pods

• A diagram labeled “HOW ECHOLOCATION WORKS”

• A hyperlink to whale songs

• A bolded vocabulary word

Why do blue whales migrate to WARMER waters?

• To find more krill

• To escape predators

• To give birth to their babies

• To rest after hunting

What helps a polar bear den stay warm?

• The snow outside

• The baby bears’ fur

• The mother’s body heat

• The sun’s rays

What does the turtle life cycle diagram help the reader understand?

• The stages a sea turtle goes through from egg to adult

• Why sea turtles migrate to warmer waters

• How sea turtles find food in the ocean

• How sea turtles communicate with their babies

Dolphins use a special sound called a __________ to help their babies recognize them.

The behavior of moving from one habitat to another is called __________.