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Zorluk: KolayThallophytes, Bryophytes, and Pteridophytes

Which of the following structural features distinguishes pteridophytes from bryophytes?

  1. Presence of well-developed vascular tissuesCevap
  2. B
    Absence of true roots, stems, and leaves in pteridophytes
  3. C
    Extracellular saprophytic digestion of organic nutrients
  4. D
    Conduction of manufactured organic food upwards through xylem vessels

Cevap

The presence of well-developed vascular tissues (xylem and phloem) distinguishes pteridophytes from bryophytes.
Pteridophytes are vascular cryptogams that possess true vascular tissues (xylem for water transport and phloem for food transport), which allows them to achieve larger physical sizes than non-vascular bryophytes.

Adım Adım Çözüm

1
Identify the structural characteristics of bryophytes
Bryophytes are non-vascular plants lacking true xylem and phloem, relying on diffusion and osmosis.
Understanding the evolutionary level of mosses and liverworts helps determine their structural limits.
2
Identify the structural characteristics of pteridophytes
Pteridophytes are vascular seedless plants possessing specialized xylem and phloem tissues.
Comparing vascular structure isolates the key evolutionary advancement between the two groups.

Anahtar Kavram

Vascular differentiation between Bryophytes and Pteridophytes
Tahmini Süre:45s
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Thallophytes, Bryophytes, and Pteridophytes

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