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Figure shows the flow of energy through the trees in a forest ecosystem.The numbers represent inputs and outputs of energy in kilojoules per m2 per year.
(a) (i) On Figure, draw a ring around the number which indicates the energy entering the system via photosynthesis. (ii) The total energy available to the plants in the ecosystem is 1880000 kJ per m2 per year.
Calculate the efficiency of photosynthesis.
(b) Suggest four reasons why so much solar energy is not used in production in the forest ecosystem.(c) In what form will energy from plant respiration escape from the ecosystem?
Exudate gums Most exudates gums come from compounds produced when the plant is wounded and these substances seal the wound. Most widely used exudate gum is 'gum Arabic' exuded
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Transfer of pollen grains from the anther to the stigma of another flower of the similar plant is known as? Geitonogamy
why lymph is called the middel man of the body
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