Why can't yeast be placed in kingdom protista?
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Answered by
14
IDEALLY yeast should belong to Kingdom protista
But it happens to be a descendant of the first member of Fungi, and thus shares joint ancestry with all other fungi in exclusion from all other organisms. That's why it's a fungus. Fungi are a monophyletic clade as well as a kingdom; i.e. one ancestor and all of its descendants.
Protists are a special group, also very diverse.
But
Fungi have haploid nuclei Protists have 2 nuclei
Yeasts reproduce via budding. Protists undergo either sexual or asexual reproduction.
Fungi have cell wall made of chitin, none of the Protists exhibit chitinous wall.
Yeasts also perform extra cellular digestion, but not all protists do this.
Hope it helps you..
But it happens to be a descendant of the first member of Fungi, and thus shares joint ancestry with all other fungi in exclusion from all other organisms. That's why it's a fungus. Fungi are a monophyletic clade as well as a kingdom; i.e. one ancestor and all of its descendants.
Protists are a special group, also very diverse.
But
Fungi have haploid nuclei Protists have 2 nuclei
Yeasts reproduce via budding. Protists undergo either sexual or asexual reproduction.
Fungi have cell wall made of chitin, none of the Protists exhibit chitinous wall.
Yeasts also perform extra cellular digestion, but not all protists do this.
Hope it helps you..
Answered by
3
Yeast is saprophytic and multicellular which doesn't fit in the characteristics of kingdom protista. So it is placed in kingdom fungi.
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