Question

Compare the reproductive organs and reproduction of selaginella ,equisetum and pteris

Answer 1

The reproductive organs and reproduction of selaginella ,equisetum and pteris

Explanation:

• Elaginella is fits to a class LYCOPSIDA which is a portion of pteridophyta.
• In lycopsida sporangia are designed on sporphylls. these are existing on the tip of the plant . the assemblage is named as strobilus or cone.
• Equisetum or pipe is  is fits to a class SPHENOPSIDA which is a portion of pteridophyta. In SPHENOPSIDA sporangia are designed on sporphylls. these are existing on the apical portion of the aerial stem . the group is called strobilus or cone.
• pteris fit to PTEROPSIDA . Each and every leaf comprise sporangia at the time of reproduction. But they do not have cones .

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Answer 2

selaginella is belongs to a class LYCOPSIDA which is a part of pteridophyta. in lycopsida sporangia are formed on sporphylls. equisetum or pipe is is belongs to a class SPHENOPSIDA which is a part of pteridophyta.in SPHENOPSIDA sporangia are formed on sporphylls.