Question

Explain life cycles of bryophytes , Ptridophytes and Algae ?

Answer 1

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• This type of life cycle involves the alternation of two vegetative individuals, the haploid gametophyte and diploid sporophyte. In this case sporogenic meiosis occurs in sporophyte to produce spores (meiospores). ... This type of life cycle is exhibited by some green algae, brown algae, bryophytes and pteridophytes

Answer 2

Answer:

Bryophyte Life Cycle

The bryophyte lifecycle consists of alternating generations between the haploid gametophyte and the diploid sporophyte. During the gametophyte stage, haploid gametes (male and female) are formed in the specialized sex organs: the antheridia (male) and archegonia (female).

life cycle of pteridophytes

The life cycle of pteridophytes is a continuous reproductive process that is dominated by the sporophyte (sexual) stage of the alternation of generations. Fern spores are catapulted into the air, and the spores develop into heart-shaped haploid gametophytes that contain both male and female sex organs.

Life Cycle of Algae

The plant body is gametophyte (haploid) and sporophyte (diploid) stage is represented only by zygote. The gametophytic plant develops haploid gametes in the gametangium. The fusion between gametes results the formation of zygote, the only diploid stage i.e., sporophytic phase of the life cycle.