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Describe how gaseous exchange takes place in terrestrial plants

      

Describe the process of gaseous exchange in terrestrial plants.

  

Answers


Isacko
Gaseous exchange takes place in spongy mesophyll

During the day air diffuses into large air spaces of spongy mesophyll through stomata

The carbon iv oxide in the air diffuses into the photosynthesis oxygen is produced

Some of the oxygen diffuses out of the leaf through stomata

During the night air diffuses out of air spaces of spongy mesophyll

The air dissolves into film of moisture

The oxygen in the air diffuses into cells and is used in respiration during which carbon iv oxide is produced

The carbon iv oxide diffuses out of the leaf through stomata due to diffusion/concentration gradient

At night carbon iv oxide accumulates in the leaf since photosynthesis does not take place

Some gaseous exchange also takes place through cuticle

Gaseous exchange occurs through epidermis of young leaves and stems

The cork cells at lenticels are loosely packed

Gaseous exchange takes place between cork and atmosphere within the loosely packed cell
Mohaissack answered the question on October 5, 2017 at 11:44


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