An individual without gonads will leave no genes to the next generation. Gonads and genitalia are called primary sexual traits.

Secondary sexual traits, which differ between the sexes but do not play a direct role in reproduction.

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#Id: 10619

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IV.Gymnosperm

Fertilization- Siphonogamous

Shows secondary growth- due to cambium

Seeds are borne on cones

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#Id: 10620

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IV.Gymnosperm

They are perennials and woody plants

They bear tap roots

Ovules - Orthotropous & covered by single integument

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#Id: 10621

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IV.Gymnosperm

Sexual reproduction-Oogamous

Female gametophyte is made up of n endosperm on which 2-8 archegonia are present

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#Id: 10622

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IV.Gymnosperm

Polyembryony - common

Ovules - seeds

Seeds two or more cotyledons

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#Id: 10623

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IV.Gymnosperm

The gymnosperms are heterosporous; they produce haploid microspores and megaspores

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#Id: 10624

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IV.Gymnosperm

Two types of sporophylls microsporophylls & megasporophylls. 

They from pollen cones (male cones) & seed cones (female cones) respectively