Aquarium guide
Aquarium guide     

  
 
REPRODUCTION OF PLANTS
 

REPRODUCTION OF PLANTS

In the wild, the most common mode of reproduction among plants is sexual, involving flowers and seeds. When the conditions in a setting are inauspicious, however, sexual reproduction gives way to asexual reproduction, know as vegetative multiplication. Pieces of plants that have broken off or been uprooted, and then swept along by the movement of the water, settle and take root. It is this vegetative multiplication method that is used in aquariums. The techniques used, which vary according to the type of plants, are similar to those of horticulture.


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ЧИНОВНИК , в России до 1917 государственный служащий, имевший определенный классный чин по Табели о рангах. Высшие чиновники (обычно 4 - 1-го классов) неофициально назывались сановниками. В широком смысле - название и низших государственных служащих, не имевших чинов (канцеляристы, копиисты).