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1. The plants are mostly woody perennials.
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1. The plants are of varying habit maybe annuals, biennials or perennials.
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2. Most of them are common in dry habitat.
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2. It is found in the wide variety of habitat.
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3. The reproductive structure is the cone.
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3. Flowers are the reproductive structure.
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4. Presence of naked seeds. They are fruitless seed plants.
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4. The seeds are developed inside the ovary which develops into fruits.
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5. The cones are unisexual.
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5. The flowers maybe unisexual or bisexual.
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6. Pollen grains germinate directly on the micropyle.
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6. Pollen grains germinate on the stigmatic surface and pollen tube that carries the male gametes to the ovary.
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7. Ovules are naked or exposed.
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7. Ovules are present inside the ovary.
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8. Simple fertilization occurs.
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8. Double fertilization occurs.
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9. Endosperm is haploid.
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9. Endosperm is triploid.
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10. Gymnosperms are wind pollinated.
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10. Angiosperms are insect pollinated.
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11. Anatomy of gymnosperms shows the presence of resins in the cells.
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11. The resins are not present.
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12. Presence of xylem tracheid only the vessels are absent.
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12. Presence of xylem vessels in transporting tissues.
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13. Companion cells are absent in the phloem cells.
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13. Presence of companion cells.
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