Where do whales get fresh water to stay hydrated?

Whales get fresh water from their food.

Whales get fresh water from rain on the surface.

Whales get fresh water from rivers.

Whales drink salt water and spit out the salt.

What special adaptation allows sperm whales to dive deep quickly?

The spermaceti oil in their rostrum/head becomes more dense when it is cooled and helps sperm whales sink.

The blubber in their rostrum/head becomes more dense when cooled and helps sperm whales to sink.

The blubber in their fluke becomes more dense when it is heated and helps sperm whales to sink.

The spermaceti oil in their fluke becomes more dense when it is heated and helps them sink.

What happens to whales when they die?

Whales sink to the bottom and provide nutrients for deep sea communities for decades.

Whales float on the surface and provide nutrients for open ocean communities for decades.

Whales get eaten by sharks and there is nothing left.

Whales become stuck on the beach and scientists take them back to the lab and store them in the freezer.

When mammals dive (hold their breath underwater) what happens to their heart rate?

Their heart rate stops until they come back up to the surface.

Their heart rate remains the same.

Young dolphins learn hunting behaviors by...

Mimicking the mother's behavior

They don't need to learn -- their behavior is controlled by instinct

All the young in a pod are taught by the same elder dolphin

Toothed Whale Quiz 2023

Authored by Katie Duncan

Science

9th - 12th Grade

NGSS covered

Used 13+ times

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20 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many species of dolphins are there? (That we know of.)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dolphins have a __________ body shape that is streamlined and easily cuts through the water.

fusiform

round

elongated

compressiform

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dolphins use ________ as a form of camouflage in the open ocean. (Hint: It makes them look like water.)

bright colors

false eyespots

silvery shine

countershading

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dolphins lose their hair as adults because...

hair prevents beaching when hydroplaning

hair helps them swim fater

hair creates drag and slows them down

Dolphins never had hair

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do dolphins sleep?

Dolphins sleep with their whole brain like humans

Dolphins sleep with only half their brain at a time.

Dolphins sleep while resting on the bottom

Dolphins sleep with both eyes closed like humans.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Echolocation is...

the creation of sound waves in the blowhole (phonic lips) used to find the location, size, and distance of other organisms

the creation of sound waves in the fluke used to find the location, size, and distance of other organisms

the creation of water waves by the flippers used to find the location, size, and distance of other organisms

the creation of water waves by the blowhole (phonic lips) used to find the location, size, and distance of other organisms

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a favorite food of sperm whales?

salmon

herring

krill

squid (any size)

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