Regardless of the kind, every wave has an amplitude. Amplitude is the maximum displacement of points on a wave, which you can think of as the degree or intensity of change. This maximum displacement is measured from the equilibrium position.The picture below shows a diagram of a sine wave.mplitude is an important parameter of waves and is the maximum displacement of points on a wave. Stated another way, amplitude is the vertical distance between a peak or a valley and the equilibrium point. Frequency is the number of wave cycles passing a point per unit time.
Darkfield Digital Image Gallery Dogfish Shark Placoid Scales Dogfish sharks are small sharks belonging to one of three families: the dogfish shark family, Squalidae; the requiem shark family, Carcharhinidae; and the cat shark family, Scyliorhinidae.he green dogfish, along with several other members of the dogfish shark family, is luminescent. Scales are small plates that form part of the skin of certain animals. They provide protection from the environment and from predators. Sharks have placoid scales, bony, spiny projections with an enamel-like covering.
Confidence votes 242K. Passionate about all things Australian. Reptiles have a body covering of dry, scaly skin. They do not have individual scales as fish do, but the scales (also known as scutes) are joined together to form a seamless outer covering of skin.The scales are made of keratin, the same substance of which human fingernails and hair are made.he body of a jellyfish is made of 3  different layers: the epidermis (the skin), a middle layer called  the mesoglea (the jelly part that give â¦ the jellyfish a  see-through appearance), and an inner-layer called the gastrodermis  that connects these other layers with the stinging capsules of the  tentacles.