วันอังคารที่ 7 มีนาคม พ.ศ. 2560

11-BIO-PLANT-ADAPTION-AQUATIC PLANT







The following are the adaptational characteristics of hydrophytes:
  1. The root system of aquatic plants is properly developed.
  2. Hydrophytes have a waterproof and protective waxy coat on its surface which prevents them from decaying.
  3. Hydrophytes have air cavities in their tissues which help them to float.
  4. Conducting tissues (xylem and phloem) are less developed in them.
  5. The stem of the aquatic plant is long, slender, spongy and flexible.
  6. Conducting tissues (xylem and phloem) are less developed in them.
  7. They have a waterproof and protective waxy coat on its surface which prevents them from rotting and decaying.
  8. Hydrophytes have air storage tissues called aerenchyma which help them to float


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