the abalone's foot is attached to its ____ and can ____ easily
shell, twist
the moon snail can inflate its foot to ______ times the size of its shell
4
inside the abalone's mouth, there is a _____ which is sort of like a chainsaw
radula
how many different types of mollusks are there?
over 150,000
how long ago did mollusks appear?
half a billion (500,000,000) years ago
mollusks have survived because their body parts are able to
change/adapt
what is the body part that provides the shell called?
the mantle
if the shell can't protect the mollusk, they sometimes can also ____ ____
run away
some mollusks can swim by _______ off of the bottom of the ocean floor, such as the nautilus.
floating
the nautilus can swim by _____ water in and then _____ it out of a funnel
taking, pushing
some squids can go as fast as ______ miles per hour
20
squids improved on the jet propulsion system of the ______
nautilus
every squid has ______ heart(s)
3
an octopus can change ____ and _____ in an instant, called ______
color, texture, camouflage
how many arms does an octopus have?
8
mollusks endure because their bodies ______
adapt
