Altruism

Altruistic acts serve to benefit the individual’s close relatives, or kin. They enhance the fitness of other individuals—their offspring—at a cost to themselves.

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Life cycle of angiosperm

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Double fertilization

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Difference between gymnosperm and angiosperm

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Tissue

Group  of  cell  having  similar  function  and  common  origin.

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Tissue

Types  of  Tissue-

Meristematic tissue

Permanent tissue

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Meristematic tissue

It is simple tissue

Actively dividing cell

cell wall of its cells is thin and elastic

Intercellular space absent