Question

life cycle of funaria(250 words)?​

Answer 1

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In Funaria, two types of life cycle seen: Sexual and vegetative.

A. Sexual life cycle:

The life cycle of Funaria is haplo-diplontic type. In the life cycle free living haploid gametophyte alternates with a semiparastitic diploid sporogonium (Sporophyte). In this type alternation of generations is called heteromorphic or heterologous. In Funaria the main plant body is free-living gametophyte (n) which exist in 2 forms i.e. protonema (juvenile gametophyte) and leafy gametophore (adult gametophyte).

B. Vegetative life cycle:

In Funaria, the alternation of generations is not always obligatory. Frequently, the gametophyte undergoes vegetative propagation to form a succession of the gametophyte generations before the sporophyte generation develops.

Vegetative propagation is a method by which a part of the gametophyte separate or specialized to form a new individual.

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