Solution



Back 		To compare and contrast means to give the similarities and the differences.
1. Habitat
Similarities: Water
  • Differences:
  • Fresh Water (Spiro.), Sea Water (Fucus)

    2. Structure
    Similarities: Multicellular, Mucilage, Chlorophyll present.
    Differences:
  • Green (Spiro.), Brown (Fucus)
  • All cells are identical, no division of labour (Spiro.), Shows division of labour (Fucus)
  • Unbranched filament (Spiro.), Dichotomous branching (Fucus)
  • Haploid (Spiro.), Diploid (Fucus)

    3. Methods of Reproduction
    Similarities: Asexual and sexual methods of reproduction.
    Differences:
  • Asexual reproduction is the main type (Spiro.), sexual reproduction is the main type (Fucus)
  • Internal fertilisation (Spiro.), external fertilisation (Fucus)
  • Isogametes (Spiro.), Heterogametes (Fucus)
  • Zygote becomes a dormant zygospore germinating by meiosis when favorable conditions return (Spiro.), Zygote germinates immediately by mitosis (Fucus)
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