TLS Online TPP Program

#Id: 10599

#XL - R Botany

TLS Online TPP Program

#Id: 10600

#XL - R Botany

III.Vascular plants  (pteridophyta)

Vascular cryptogam

Sporophyte- Dominating phase

Vascular tissue makes its appearance

TLS Online TPP Program

#Id: 10601

#XL - R Botany

TLS Online TPP Program

#Id: 10602

#XL - R Botany

III.Vascular plants  (pteridophyta)

Homosporous or Heterosporous

Sexual reproduction- Oogamous

Antheridium-  Sessile and reduced in size

Haplodiplontic-  alteration of generation

Spores produced inside the sporangia on leaves

TLS Online TPP Program

#Id: 10603

#XL - R Botany

Habitat

Plants annual or perennials.

Xeric- Selaginella lepidophylla

Aquatic- Azolla, Marsilea, Salvinia

Epiphytic- i.e., growing on large trunks of trees. Ex- Lycopodium

TLS Online TPP Program

#Id: 10604

#XL - R Botany

III. Vascular plants (pteridophyta)

EVOLUTION OF ROOTS

Instead of the rhizoids seen in bryophytes, roots evolved in the sporophytes of almost all vascular plants