Respuesta :
Answer:
They are bilaterally symmetrical and have a soft body sometimes covered with a shell.
Explanation:
Mollusks are bilaterally symmetrical organisms which means only two planes can divide their bodies into two identical halves. They are triploblastic organisms with organ system level of body organization. Mollusks have a soft body that is usually covered by a dorsal shell composed mainly of calcium carbonate. The foot is a broad, flat and muscular structure located ventrally. Foot serves these organisms in locomotion. The various body organs are present as visceral mass located above the foot. The visceral mass is covered by a thin sheet of tissue called mantle. Example: clams, snails, and squids.
The following that best describes mollusks is :
b) They are bilaterally symmetrical and have a soft body sometimes covered with a shell.
"Characteristics of Mollusk"
The following that best describes mollusks is that they are bilaterally symmetrical and have a soft body sometimes covered with a shell.
A mollusk is any of a wide phylum of invertebrates (such as snails, clams, or squids) with a soft, unsegmented body contained in a calcareous shell.
Malacology is the study of Mollusks.
They are slow-moving invertebrates with a thin fleshy membrane or mantle that covers the internal organs.
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