Explain how stomata on the surface of leaves control the exchange of carbon dioxide and oxygen and limit the loss of water vapor during photosynthesis

The role of stomata in photosynthesis is the tiny pores control the entrance of carbon dioxide and the exit of oxygen and water vapor. stomata function to control the rate of photosynthesis.

Explanation:

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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cell division is not regulated in tumor cells.