Chapter 12
Patterns in Life: Diversity and Classification
CBSE Class 9
Science Solutions
Educart Science class Class 9 NCERT Exemplar cover
Question:

Both pteridophytes and bryophytes lack flowers and seeds, yet they are placed in different groups. Explain this classification using their key features.

Answer: Verified

Although both pteridophytes and bryophytes lack flowers and seeds, they differ significantly in several key features that justify their placement in separate groups:

FeatureBryophytaPteridophyta
(1) Vascular tissuesAbsent (no xylem/phloem)Present (xylem and phloem)
(2) True roots, stem, leavesAbsent; rhizoids presentPresent
(3) Body organisationSimple differentiation;Well-differentiated;
(4) Dominant life stageHaploidDiploid
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