Mollusca flashcards

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what are mollusca? they are soft bodied animals that have an internal and an external shell
what is the Mollusca body plan? it consists of the foot, shell, mantle and the visceral mass
Mollusca visceral mass the visceral mass contains the heart, digestive and excretory organs
Mollusca foot it is a flat soft and muscular surface that contains a mouth. It is also involved in locomotion
Mollusca mantle it is the layer that covers the visceral mass. It also secrets a limestone shell
Mollusca shell it is the protective layer of calcium carbonate secreted from the mantle
How are Mollusca classified they are classified based on the type of foot and shell they have. They are classified as either gastropods, bivalves and Cephalopoda
class gastrapoda characteristics they have stomach-foot. body is coiled. mouth with radula, foot is large and flat
examples of class gastrapoda snails and slugs
class bibalba characteristics they have an enclosed body. have no head. wedge shaped foot
examples of bibalba clams
class cephalopoda characteristics Cephalopods have bilateral body symmetry, a prominent head, and a set of arms or tentacles
examples of cephalopoda Squids, octopuses, nautilus, and ammonites

what are mollusca?

what is the Mollusca body plan?

Mollusca visceral mass

Mollusca foot

Mollusca mantle

Mollusca shell

How are Mollusca classified

class gastrapoda characteristics

examples of class gastrapoda

class bibalba characteristics

examples of bibalba

class cephalopoda characteristics

examples of cephalopoda

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