GENERAL HISTOLOGY

Detailed explanation-1: -Mollusks have bilateral symmetry. – The two halves of the body mirror each other.

Detailed explanation-2: -Mollusca can be found in freshwater, marine and terrestrial habitats. More features of molluscs include bilateral symmetry, soft or unsegmented bodies, respiration via ctenidium, ganglia/nerve comprised nervous system, haemocoel body cavity, etc.

Detailed explanation-3: -No, all of the members of the mollusc phylum display bilateral symmetry. Examples of molluscs include snails, clams, octopi, squids, and muscles.

Detailed explanation-4: -Bilateral symmetry involves the division of the animal through a sagittal plane, resulting in two mirror-image, right and left halves, such as those of a butterfly, crab, or human body. Animals with bilateral symmetry have a “head” and “tail” (anterior vs. posterior), front and back (dorsal vs.