4. Diversity In Living Organism
The seeds produced by these plants are naked and are not enclosed within fruits.
(i) Cycadae, e.g. Cycas etc.
(ii) Coniferae, e.g. Pinus, Ginkgo, etc.
PTERIDOPHYTES GYMNOSPERMS1 Vascular tissue are present but secondary growth is absent. Vascular tissues are
present and secondary growth is present.2 Ovule and seeds are not formed. Ovule and seeds are formed.