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Life cycle of Ectocarpus and Fucus respectively are:

  1. A
    Diplontic, Haplodiplontic
  2. B
    Haplodiplontic, Diplontic
  3. C
    Haplodiplontic, Haplontic
  4. D
    Haplontic, Diplontic

Solution & Step-by-step Explanation

Ectocarpus (a brown alga) exhibits a haplodiplontic life cycle where both haploid and diploid phases are multicellular. Fucus (another brown alga) is an exception among most algae as it exhibits a diplontic life cycle, similar to seed-bearing plants.

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Life cycle of Ectocarpus and Fucus respectively are:
A
Diplontic, Haplodiplontic
B
Haplodiplontic, Diplontic
C
Haplodiplontic, Haplontic
D
Haplontic, Diplontic

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