Kelp, a seaweed that is anchored to the seafloor by rootlike structures and can grow to heights of 60 m, is a kind of

A) water mold.
B) brown alga.
C) green alga.
D) diatoms.


Answer: B

Biology & Microbiology

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The neural plate forms from which type of tissue?

a. ectoderm b. endoderm c. mesoderm d. chorion e. amnion

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Explain how mitochondrial DNA studies of Africans and Europeans support the replacement model for the evolution of modern humans.

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Sugars with three to seven carbon atoms are called

A. disaccharides. B. monosaccharides. C. steroids. D. polysaccharides. E. trisaccharides.

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