organisms that have a life cycle with how many generations switch back and forth from haploid and diploid stages?

A life cycle in which organisms switch back and forth between diploid and haploid stages is an alternation of generations life cycle The random distribution of homologous chromosomes during cell division is known as

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not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.