In the space underneath the spectrum, draw an arrow showing which direction the wavelength increases as you move across the spectrum. Label this arrow, “Increasing wavelength”

The longer wavelengths is always to the left because the farther you go right the wavelengths seem to get closer and have a higher frequency

I’m not exactly sure what your trying to ask, but if it’s how an organelle is similar to a body system or a part a nucleus is like a in function. but i don’t fully understand what you’re trying to ask