it is B a baby growing into a toddler.
In regard to changes of ploidy, there are 3 types of cycles<span>: </span>haplontic life cycle<span> — the haploid stage is multicellular and the diploid stage is a single cell, meiosis is "zygotic". </span>diplontic life cycle<span> — the diploid stage is multicellular and haploid gametes are formed, meiosis is "gametic".
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It's on google lol :)
Hope this helped anyways