In bryophytes, growth takes place at:
Correct answer: D. Entire Plant Body
- A. Apices
- B. Lateral Region
- C. Intercalary Region
- D. Entire Plant Body
- E. All are incorrect
Explanation
In bryophytes, growth takes place at entire plant body. In bryophytes, including mosses, liverworts, and hornworts, growth takes place throughout the entire plant body due to the presence of meristematic tissue. These plants exhibit a unique growth pattern that is distinct from more advanced vascular plants. Bryophytes exhibit apical growth, which means they primarily grow from their apical meristems. Apical meristems are regions of undifferentiated, actively dividing cells found at the tips of stems and branches. These meristems continuously produce new cells, leading to the elongation of the plant body.Unlike vascular plants (tracheophytes) that have specialized vascular tissues (xylem and phloem) for the transport of water and nutrients, bryophytes lack these tissues. Instead, they rely on simple diffusion for nutrient uptake and transport.In bryophytes, the dominant and visible stage of the life cycle is the gametophyte, which is the haploid, gamete-producing phase. Gametophytes are the leafy structures that are commonly recognized as mosses or liverworts. These structures continually grow by apical cell division, leading to increased plant size.
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