WorksheetsMollusk Quiz
Total questions: 10
Worksheet time: 10mins
Check the organisms that are bivalves
Scallop
Snail
Oyster
Octopus
When a bivalve's mantle gets irritated, it often forms a (a)
Gastro means what in Latin?
Stomach
Brain
Foot
Liver
What is the name of the toothed tongue gastropods use to scrape their food off of surfaces with?
(a)
Which of the following would be most likely to happen if they oyster beds in Aransas Bay died from a hard winter freeze?
The shells would accumulate in the bayous and prevent freshwater from entering the bay
Sea birds would die from a lack of pearls to eat
The water would begin to become murkier and more polluted
The octopus population would boom due to easy to obtain food
Some cephalopods try too look like other animals as a defense mechanism. What is this called?
(a)
The mantle of a squid produces a part of the squid that provides structural support and looks like a piece of clear plastic. What is it called?
(a)
How do nautiluses maintain their buoyancy?
Their liver is filled with fat that helps keep them from sinking
Their siphons jet upwards and downwards constantly
Colonies of algae in their shell produces gases that make the nautilus more buoyant
They fill chambers within their shell with gas from their blood stream.
Instead of teeth, what do cephalopods use to bite and tear their food?
(a)
What is the name of the mythological giant octopus that is famous for sinking ships and eating their crew?
(a)
