Which best describes what happens when a person sees a blue ball? . . a.. human eyes reflect blue light back to the ball.. . b.. the ball radiates all colors of light except blue to human eyes.. . c.. blue light reflected from the ball enters human eyes.. . d.. the ball absorbs blue light from human eyes.

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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frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.