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20.4 Plantlike Protists: Red, Brown, and Green Algae,[object Object]
Phycobilin ,[object Object],Accessory pigment found in red algae that is especially good at absorbing blue light.,[object Object]
Filament ,[object Object],In algae, a long threadlike colony formed by many green algae;  in plants, a long, thin structure that supports an anther.,[object Object]
Alternation of Generations ,[object Object],Process in which many algae switch back and forth between haploid and diploid stages of their life cycles.,[object Object]
Gametophyte,[object Object],Haploid, or gamete,[object Object]
Spore ,[object Object],Haploid reproduction cell.,[object Object]
Sporophyte,[object Object],Diploid, or spore-producing, phase of an organism.,[object Object]
Key Concept,[object Object],The life cycles of many algae include both a diploid and a haploid generation.,[object Object]

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Biology 20.4

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