What are the different kinds of stomata?


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Jack Buckby answered
There are a total of 35 different kinds of stomata in plant life. Stomata or epidermis are what makes up the skin-like outer layer of plants. They are pores that excrete and take in gasses for the plant to use. In addition to the pore, there is also a protective layer of two specialized parenchyma cells that act as guard cells for the vulnerable pores.

The way the pores work is that they act as a sort of air vent to the leaves, excreting and absorbing gasses such as:

  • Carbon dioxide
  • Oxygen
  • Water vapor

These pores can be located throughout all parts of the plant that is above the ground, like the leaves, petals, stems and petioles. The stomata are created at the very beginning of the plants development when it has been planted.

As a result of this, they respond to the environment that they are developed in when the parts of the plant are also developing. This means that, if there is a scarce amount of light or moisture available to plant when it is in the initial stages of growing, there will be less stomata on the plant's organs.

The stomata are so tiny that they can only be seen by the human eye through a telescope. So if you have a telescope at hand - whether at home or at school - go out into the garden and investigate the plant life that you can find.

There is a list of 31 of the 35 stomata available through this link http://www.cas.muohio.edu/~meicenrd/ANATOMY/Ch8_Absorptive/STOMATA2.jpg.

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