All mollusks are these, which means they lack a backbone
INVERTEBRATES
100
Gastropods are the largest and most numerous group of Mollusks, true or false?
TRUE
100
Bivalves have ____ shells held together by hinges and a strong muscle.
2. Remember, bi means 2.
100
All arthropods have a _________, which helps protect them from predators and from drying out.
EXOSKELETON or EXTERNAL SKELETON
100
These are arthropods that have 2 or 3 body sections and usually have 3 pairs of appendages for chewing. They're also the only arthropods that have 2 pairs of antennae
CRUSTACEANS
200
Mollusks have a thin layer of tissue called the __________, which is responsible for creating their shell
MANTLE
200
Gastropod literally translates to _____ ______.
STOMACH FOOT
200
Bivalves are _________ feeders, which means they strain food from water.
FILTER
200
The key to success for arthropods is their jointed _____________, like wings and legs, which help them move and feed
APPENDAGES
200
Spiders, mites, and ticks belong to this group of arthropods that only have 2 body sections
ARACHNIDS
300
The bodies of mollusks are usually soft and ______________, which means they have one continuous body (as opposed to a body that's in sections).
UNSEGMENTED
300
Gastropods may or may not have a _________.
SHELL
300
Cephalopods are mollusks whose feet are adapted to form __________ around their mouths.
TENTACLES.
300
An arthropod's outer shell is made of this material (MAKE SURE YOU PRONOUNCE IT CORRECTLY).
CHITIN
300
Centipede literally translates to _________ ________.
HUNDRED FEET
400
Mollusks move with a muscular structure called a ______________.
FOOT
400
Which gastropod is faster, the snail or the slug? Don't forget to tell me why.
THE SLUG, BECAUSE IT'S LIGHTER
400
The suckers of an octopus are so sensitive that they can receive sensations of __________ without even touching an object.
TASTE
400
_________ is the process of shedding an outgrown skeleton.
MOLTING
400
Millipede literally translates to _________ ________.
THOUSAND FEET
500
Mollusks can be classified depending how their ____________, a flexible ribbon of teeth, is organized.
RADULA
500
For some gastropods, their shell helps prevent them from drying out by preventing this process, where liquid water gets changed into vapor (gas)
EVAPORATION
500
Octopuses and squids move by ____ ___________, where they squeeze a current of water out of a cavity through a tube
JET PROPULSION
500
Arthropods have an _____ _________ ________, which means blood sloshes around everywhere instead of in tubes.
OPEN CIRCULATORY SYSTEM
500
Crustaceans undergo this process, which means they transform dramatically during its life cycle