Life-cycle of an algae.

Discussion in 'Algae' started by Rodrige, Aug 10, 2012.

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  1. Rodrige

    Rodrige Plankton

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    Rhodophyta, Chlorophyta and Heterokontophyta, the three main algal Phyla, have life-cycles which show tremendous variation with considerable complexity. In general there is an asexual phase where the seaweed's cells are diploid, a sexual phase where the cells are haploid followed by fusion of the male and female gametes. Asexual reproduction is advantageous in that it permits efficient population increases, but less variation is possible. Sexual reproduction allows more variation, but is more costly. Often there is no strict alternation between the sporophyte and also because there is often an asexual phase, which could include the fragmentation of the thallus
     
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  3. N00ZE

    N00ZE Eyelash Blennie

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    So where was this post going....?