Diversity and General Features of Mollusks

Mantle cavity function in mollusks

Mollusk groups' mantle cavity evolution

Shell presence in mollusks

______ utilize mucus to move smoothly over surfaces, while ______ employ their foot as a suction tool.

______ have a distinct foot adapted for ______, and cephalopods have evolved their foot for jet propulsion.

In cephalopods, the foot has evolved into a system for ______ and includes ______ derived from the original foot.

Cephalopods circulatory system type

Primary body cavity in mollusks

Respiratory pigment in mollusks

Many mollusk species have a ______, an organ resembling a ribbon with rows of small teeth, used for scraping or cutting their nourishment.

The ______ in mollusks is a complex process involving both intracellular and extracellular phases to sort, digest, or dispose of food particles.

In mollusks, the radula is typically supported by a structure known as the ______.

Mollusks expel waste through the ______, which is situated in the mantle cavity.

Cephalopod and gastropod ganglia types

Bivalve nervous system complexity

In mollusks, ______ release ______ into the ______, leading to the ______ cavity.

Mollusk larvae may undergo ______ development or transform directly into ______ forms, as observed in some ______.

The development and survival of mollusk larvae are greatly influenced by ______ conditions.

Mollusk dietary diversity: herbivores