Frequency theory best explains while place theory best explains a. how we process red, green, and blue light; why we experience color afterimages b. how we perceive low-pitched sounds; how we perceive high-pitched sounds c. how touch sensations involve more than tactile stimulation; why stroking a pressure spot leads to the sensation of a tickle d. how we are able to sense our body position without looking; how the vestibular sense functions e. how phantom limb sensations occur; how stimulation of the larger fibers in the spinal cord stop pain

hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

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