28) The study of tissue is called . 29) Secretions onto body surfaces are characteristic of glands. 30) Unspecialized epithelial cells which act as a source for mitosis are called cells. 31) The combination of fibers and ground substance in supporting connective tissues is known as . 32) are cells that are modified to transmit signals from one place to another. 33) The is the germ layer that differentiates into the GI track, bladder

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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explanation:

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