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Animal Ears

Students answer questions about why animals have different ears and ways of detecting sounds.

'Animal Ears' worksheet

Key stage:  KS 2

Curriculum topic:  Evolution and Inheritance

Curriculum subtopic:  Adaptation

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

Animals use their senses to gather information about the world around them. Animals have evolved different ways of detecting (hearing) sounds.

 

Some predators have very good hearing so that they can find their prey:

Barn Owl

 

Some prey animals have good hearing to hear the predator coming:

Hare

 

Other animals detect vibrations in other ways - through their legs:

Grasshopper

Is the following statement true or false?

 

Animals without flappy, outer ears cannot hear sounds.

true

false

Which TWO of these are functions of the outer ears?

to collect sound

to flap in the breeze

to funnel sound into the inner ear

to protect the head

Finish this sentence:

 

Cats have very sensitive ears so that they can......

see in the dark

hear the can opener

hear their prey

Finish this sentence:

 

Rabbits and hares have long ears because they...

scare off predators

live in fields

are prey animals

Finish this sentence:

 

Elephants have large ears so that they can...

hear predators coming

lose heat when it's hot

shelter baby elephants from the sun

Is the following statement true or false?

 

Birds don't have ears, so they can't hear.

true

false

 

Finish this sentence:

 

The barn owl's head is this shape in order to...

make it look more beautiful

collect sound

make it fly faster

 

Some insects MAKE and DETECT sound using their...

jaws

legs

antennae

 

Finish this sentence:

 

Nocturnal bats have long ears because they...

have poor hearing

need to listen out for predators

use echo-location

 

This fish is a trout. Fish have a line of nerves along their sides. What do these nerves detect?

light

heat

vibration

  • Question 1

Is the following statement true or false?

 

Animals without flappy, outer ears cannot hear sounds.

CORRECT ANSWER
false
EDDIE SAYS
Although many animals do not have outer ears which we can see, they can hear because they have inner ears.
  • Question 2

Which TWO of these are functions of the outer ears?

CORRECT ANSWER
to collect sound
to funnel sound into the inner ear
EDDIE SAYS
In the inner ear, sounds are turned into nerve signals which travel to the brain. The flappy, outer ears collect and funnel sound into the inner ear.
  • Question 3

Finish this sentence:

 

Cats have very sensitive ears so that they can......

CORRECT ANSWER
hear their prey
  • Question 4

Finish this sentence:

 

Rabbits and hares have long ears because they...

CORRECT ANSWER
are prey animals
EDDIE SAYS
Large, tall ears help prey animals hear predators coming.
  • Question 5

Finish this sentence:

 

Elephants have large ears so that they can...

CORRECT ANSWER
lose heat when it's hot
EDDIE SAYS
Elephants are so large that, as adults they have no natural predators. The veins in thier large ears allow them to lose body heat and stop them getting over-heated!
  • Question 6

Is the following statement true or false?

 

Birds don't have ears, so they can't hear.

CORRECT ANSWER
false
EDDIE SAYS
Birds can hear even though most birds don't have outer ears or tufts of feathers. Birds collect sounds in holes near to their eyes - they have inner ears.
  • Question 7

 

Finish this sentence:

 

The barn owl's head is this shape in order to...

CORRECT ANSWER
collect sound
EDDIE SAYS
Yes, I know, we owls are very beautiful! But the shape of the feathers does the job of an outer ear, collecting and funnelling sound into the inner ear.
  • Question 8

 

Some insects MAKE and DETECT sound using their...

CORRECT ANSWER
legs
EDDIE SAYS
Some insects, such as crickets and grasshoppers, make sound with their legs.
  • Question 9

 

Finish this sentence:

 

Nocturnal bats have long ears because they...

CORRECT ANSWER
use echo-location
EDDIE SAYS
Bats hunt insects in the dark using high frequency sounds. They need large ears to collect the sounds which bounce back from their prey. They do need to listen out for predators, but the main function of their large ears is the echo-location.
  • Question 10

 

This fish is a trout. Fish have a line of nerves along their sides. What do these nerves detect?

CORRECT ANSWER
vibration
EDDIE SAYS
Fish detect vibrations in the water using this line of nerves, it's a fish's way of 'hearing'.
---- OR ----

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