Many algal species have life cycles consisting of alternating haploid and diploid generations. Which sentence describes the organisms that comprise the most common life cycle in green algae?
a. They are multicellular in the haploid stage and unicellular in the diploid stage.
b. They are unicellular in the haploid stage and multicellular in the diploid stage.
c. They are unicellular in both the haploid and diploid stages.
d. They are multicellular in both the haploid and diploid stages.
Answer: a. They are multicellular in the haploid stage and unicellular in the diploid stage.
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