Which of the following is not true of seaweeds?
a. They are found in the red, green, and brown algal groups.
b. They have true roots that anchor them tightly to withstand the turbulence of waves.
c. They may be a source of food and commercial products.
d. Most are classified as charophytes, the closest living relatives of land plants.
e. They are multicellular photoautotrophs.
Answer: b. They have true roots that anchor them tightly to withstand the turbulence of waves.
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