Squid belong to the class of mollusks known as cephalopods, which includes octopuses, cuttlefish, and nautiluses. Most squid have eight arms and two long feeding tentacles, which feed into a central mouth armed with a sharp, parrot-like beak.quid belong to the class of mollusks known as cephalopods, which includes octopuses, cuttlefish, and nautiluses. Most squid have eight arms and two long feeding tentacles, which feed into a central mouth armed with a sharp, parrot-like beak.
Matter is a substance that has inertia and occupies physical space. According to modern physics, matter consists of various types of particles, each with mass and size. The most familiar examples of material particles are the electron, the proton and the neutron. Combinations of these particles form atom s.
Matter Understanding the Law of Conservation of Mass The universe is filled with âstuffâ like rocks, books, trees, dirt, and so on. The âstuffâ that makes up the universe is called matter. Matter is anything that has mass and occupies space. The space it occupies is the volume of the object. Mass is a measure of how much matter is present in the object. Mass and weight are terms that are sometimes used interchangeably however weight is the measure of gravity upon the mass.