Answer:
well longitudinal waves are waves that move the medium parallel to the direction in which the waves travel
Explanation:
in waves, there is compression and rarefaction which is what makes up the distance of the wave. i hope this helps. if it doesn't, lmk and i'll fix it
Explanation:ya que el cuerpo se dessasta por estar en funsionamieto pormucho tiempoc
Cephalization is the differentiation of end part of the body into a head in which nerve tissue is concentrated. Sponges have a very loose nervous system and their cells work individually, not controlled by a nervous system. Since they have no defined head as a consequence of concentrated nervous system, the sponges could not have cephalization either.
Sometimes they're used as drugs. The classic example might be penicillin, a compound made by a fungus and used as the first widely-available antibiotic.