Class 9 Biology Diversity In Living Organisms Pteridophyta

Pteridophyta

The bodies of the plants belonging to this group are differentiated into roots, stem and leaves.

These organisms have naked embryos called spores.

They have specialized tissue that conducts water and other essential substances from one part of the body of plant to other.

Examples of organisms belonging to this group are Marsilea, ferns and horse-tails.

This group of plants is again divided into two broad categories gymnosperms and angiosperms. The classification is based upon the following facts:

  • Naked seeds
  • Seeds enclosed in fruits.

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