Question

Which of the life cycles is typical for most fungi and some protists? (A) I only (B) II only (C) III only (D) I and II

Answer 1

The life cycles is typical for most fungi and some protists (B) II only. The correct option is (B).

• Most fungi and some protists (unicellular eukaryotes) have a haploid dominant life cycle, meaning that the organism's body, or mature, ecologically relevant form, is haploid.

• Fungi typically reproduce sexually as well as asexually. Mitospores are produced by the asexual cycle, while meiospores are produced by the sexual cycle. Fungi's life cycle can take many distinct forms. Fungi are thought to have a four-stage life cycle for the majority of moulds found indoors: spore, germ, hypha, and mature mycelium.

• Protists life cycles can be quite basic, involving simply periodic binary fissions, or very complex, involving asexual and sexual phases, encystment and excystment, and, in the case of many symbiotic and parasitic forms, host alternation.

To learn more about Protists.

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