Conducting tubes of phloem, composed of stacked living cells, are called ________________.
A. vessel elements
B. sieve tubes
C. tracheids
D. sieve elements
E. xylem tubes
Answer: B
Biology & Microbiology
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All of the following are true about bryophytes EXCEPT
A. they are now the most abundant plant group on land. B. they can be found from the Antarctic to the tropics. C. they erode rocks to produce soil. D. they produce peat that can be used as fuel.
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Which feature is found in both nonvascular and vascular plants?
a. xylem b. cuticle c. apical meristem d. lignin
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Who established the connection between genes, meiosis, and fertilization?
a. Erich von Tschermak b. Walter Sutton c. Hugo de Vries d. Gregor Mendel
Biology & Microbiology