Algae
Laminarin is an energy storage material characteristic of

chlorophyta
phaeophyta
pyrrophyta
chrysophyta

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Algae
Which of the following best describes the algae known as diatoms?

Cells have flagella and a light-detecting eye spot
Cells contain carotenoid pigments as well as chlorophyll A and B
Cells are encased in rigid walls composed of cellulose coated with silicon
Cells have intricate shells of silicon dioxide with two halves

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