background image

 

 

Octavio’s 

Book

Mollusks

Mollusks

background image

 

 

Mollusks are 
Invertebrates 

(no 

backbones)

background image

 

 

The clams and 
the cockles 
are 
mollusks

background image

 

 

background image

 

 

Mollusks have 
soft-bodies 
without 

bones 

and legs

background image

 

 

The snails 

and 

the slugs are
mollusks

background image

 

 

background image

 

 

Mollusks 

have 

a mantle that 
makes the 
shell and…

background image

 

 

… a 

muscular 

foot used 

for 

motion

background image

 

 

background image

 

 

but some mollusks 

develop 
tentacles in 
place of a foot

background image

 

 

The nautilus 
is a mollusk 
that has 
tentacles

background image

 

 

background image

 

 

Most 

mollusks 

are protected 
by hard 

shells

background image

 

 

The oyster 
and the 
abalones 
are mollusks

background image

 

 

background image

 

 

Sometimes a 
grain of sand 
gets inside an 
oyster and 
produces a pearl

background image

 

 

background image

 

 

Cuttlefish and 
squid are 
mollusks that a 
shell grows inside 
they're body

background image

 

 

background image

 

 

The giant 
squid is the 
largest 
invertebrate

background image

 

 

background image

 

 

Some mollusks 
like the octopus 
don’t have a shell 
at all

background image

 

 

background image

 

 

This enables 

them 

to 

squeeze 

through very 
narrow slits

 

background image

 

 

background image

 

 

Octopus are

 

considered the 
smartest of all the 

invertebrates

background image

 

 

Other 
mollusks 

are:

background image

 

 

The scallops 
and the 
mussel,

background image

 

 

background image

 

 

and the sea 
hare and 
limpet

background image

 

 

background image

 

 

There are 
more than

 

112,000 

species

 

of Mollusk


Document Outline