presence of stomata for faster gaseous exchange
intercellular spaces/air spaces in the leaf for movement/circulation of air
film of moisture around the surface of cells for easy diffusion
broad/?attened shape to increase surface area
thin lamina to reduce distance of diffusion
exposed to air for easy diffusion
Mohaissack answered the question on October 5, 2017 at 11:43
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What is the advantage of having stomata open during daytime and having them closed at night?
(Solved)
What is the advantage of having stomata open during daytime and having them closed at night?
Date posted:
October 5, 2017
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Answers (1)
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Describe the mechanism of opening and closing of stomata
(Solved)
Describe the mechanism of opening and closing of stomata
Date posted:
October 5, 2017
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Answers (1)
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Why is gaseous exchange important to organisms?
(Solved)
Why is gaseous exchange important to organisms?
Date posted:
October 5, 2017
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Answers (1)
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Name a protein, vitamin, an enzyme and a mineral element involved in blood clotting
Date posted:
October 5, 2017
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Answers (1)
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(Solved)
Explain how oxygen and carbon Iv oxide are transported in the blood
Date posted:
October 5, 2017
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Answers (1)
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Describe how mammalian blood components carry out their functions
(Solved)
Describe how mammalian blood components carry out their functions
a.Plasma
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Date posted:
October 4, 2017
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Answers (1)
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Give the reasons why pressure of blood is greater in the arteries than in the veins of mammals
(Solved)
Give the reasons why pressure of blood is greater in the arteries than in the veins of mammals.
Date posted:
October 4, 2017
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Answers (1)
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State the ways in which the composition of blood in the pulmonary arterioles differs from that in the pulmonary venules
(Solved)
State the ways in which the composition of blood in the pulmonary arterioles differs from that in the pulmonary venules
Date posted:
October 4, 2017
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Answers (1)
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Explain why blood leaving the lungs may not be fully oxygenated
(Solved)
Explain why blood leaving the lungs may not be fully oxygenated
Date posted:
October 4, 2017
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Answers (1)
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(Solved)
Explain how the mammalian heart is adapted to performing its functions
Date posted:
October 4, 2017
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Answers (1)
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Describe the structure and function of the mammalian heart
(Solved)
Describe the structure and function of the mammalian heart
Date posted:
October 4, 2017
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Answers (1)
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(Solved)
What are the advantages of the closed circulatory system over open circulatory system?
Date posted:
October 4, 2017
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Answers (1)
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Explain how aquatic and terrestrial plants are adapted to deal with problems of transpiration
(Solved)
Explain how aquatic and terrestrial plants are adapted to deal with problems of transpiration
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c.Hydrophytes
Date posted:
October 4, 2017
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Answers (1)
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Name the sites through which transpiration takes place in a plant
(Solved)
Name the sites through which transpiration takes place in a plant
Date posted:
October 4, 2017
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Answers (1)
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State two physiological changes that take place in the human skin in order to
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(Solved)
State two physiological changes that take place in the human skin in order to
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Date posted:
September 25, 2017
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Answers (1)
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Explain what would happen to onion epidermal cells if they were placed in distilled water
(Solved)
Explain what would happen to onion epidermal cells if they were placed in distilled water
Date posted:
September 25, 2017
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Answers (1)
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Describe the role of the following organs in excretion and homeostasis.the liver, the skin during hot environmental conditions.
(Solved)
Describe the role of the following organs in excretion and homeostasis: the liver, the skin during hot environmental conditions.
Date posted:
September 20, 2017
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Answers (1)
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Using a microscope, a student counted 55 cells across a field of view whose diameter was 6000µm. Calculate the average length of the cells....
(Solved)
Using a microscope, a student counted 55 cells across a field of view whose diameter was 6000µm. Calculate the average length of the cells
Date posted:
September 20, 2017
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Answers (1)
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Why is a burning charcoal stove in a poorly ventilated room likely to cause death of the inhabitants?
(Solved)
Why is a burning charcoal stove in a poorly ventilated room likely to cause death of the inhabitants?
Date posted:
September 20, 2017
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Answers (1)
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State the adaptations of plants which enable them to reduce water loss
(Solved)
State the adaptations of plants which enable them to reduce water loss
Date posted:
September 18, 2017
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Answers (1)