In a woody stem, secondary xylem and secondary phloem can be produced by the

A. vascular bundle.
B. casparian strip.
C. vascular cambium.
D. sieve tube.
E. companion cells.


C. vascular cambium.

Biology & Microbiology

You might also like to view...

Name two human traits that would be expected to have high concordance

What will be an ideal response?

Biology & Microbiology

Which of the species concepts are you using when you use a field guide to identify a bird?

A. phylogenetic species concept B. biological species concept C. ecological species concept D. morphospecies concept

Biology & Microbiology

Sperm are formed originally in the ________

A) vas deferens B) bulbourethral glands C) seminiferous tubules D) prostate gland

Biology & Microbiology

Divergent evolution occurs when:

a. closely related populations or species diverge from one another because natural selection op-erates differently on each of them. b. two or more populations or species become more similar to each other because they are ex-posed to similar selective conditions. c. Both of the above. d. Neither of the above.

Biology & Microbiology