Nocturnal Animals

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Nocturnal Animals

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Question 1

Nocturnal animals are animals that

A	cannot survive in sunshine.
B	are active at night.
C	are usually blind.

Question 2

One of the main reasons animals are nocturnal is for

A	safety. It is easier to hide at night.
B	fun. Life is more interesting at night.
C	longevity. Animals active a night live more years than animals active in the day.

Question 3

Some animals' eyes seem to glow in the dark. This is because

A	they live too close to power plants.
B	their eyes work as lanterns.
C	light is bouncing off the "mirrors" in the backs of their eyes.

Question 4

An owl can see about _____ better than a human at night.

A	5 times
B	10 times
C	50 times

Question 5

Some examples of nocturnal animals are

A	chimpanzees, bald eagles, and chipmunks.
B	beavers, kiwis, and hyenas.
C	grizzly gears, snow leopards, and mule deer.

Question 6

Oilbirds are excellent night flyers. They are guided by

A	an internal radar system.
B	long antennae that act like whiskers.
C	the echoes of their screams.

Question 7

Crepuscular animals are animals that

A	are very muscular.
B	are most active at dawn and dusk.
C	do not have molars.

Question 8

In the dark, long whiskers can act as

A	a decoration.
B	a show of strength to other animals.
C	a set of sensitive fingertips.

Question 9

Some night hunters have excellent hearing. Which of the following is true?

A	An aardvark can hear ants and termites marching along the ground.
B	Bobcats can hear jackrabbits run over a mile away.
C	A catfish can hear air bubbles pop at the water's surface.

Question 10

Dens, trees, and caves are favorite places for night animals to _____ during the day.

A	find food
B	make friends
C	hide

Question 11

Bats navigate by listening to the echoes of their high-pitched squeaks. This is called

A	echocardiogram.
B	echolocation.
C	frequency-location.

Question 12

The reason many nocturnal animals can see in the dark better than diurnal animals is

A	their eyes have more rods, and rods collect light.
B	they have several lenses.
C	they have no eyelids.

Question 13

There is only one nocturnal monkey in the world. It is the

A	douroucouli.
B	baboon.
C	douc langer.

Question 14

What animal is probably the best nighttime flyer?

A	An owl
B	A flying squirrel
C	A bat

Question 15

Why is it easier to smell things at night than during the day?

A	It's cooler at night, and smells travel farther in cool air.
B	The sense of smell increases when it is too dark to see.
C	Air is more still at night than during the day, so smells hang in the air longer.

Question 16

A tapetum is