How is the muscular foot of a squid different from that of clams and snails

 Maybe you think that snails, clams, mussels, squid, and octopods are very different. Yet, they are all in the same category of animals known as mollusks and are structurally similar. ... Mollusks usually, but not always, have a shell, which is secreted by a body wall called the mantle.

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

a. the production of carbon dioxide through the process of photosynthesis