Invertebrates with soft, unsegmented bodies that are often protected by a hard outer shell
Open circulatory system
The blood is not always inside the blood vessels
Organs that remove oxygen from the water
The largest group of mollusks
Animals that eat only plants
Animals that only eat other animals
A flexible ribbon of tiny teeth, to obtain food
Mollusks that have two shells held together by hinges and strong muscles
Animals that eat both plants and animals
An ocean-dwelling mollusk whose foot is adapted to form tentacles around its mouth
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.
NEW! Voice Recording
Click the mic to start.