The following micrographs show images taken from a transverse section of a various stems by a light microscope. Analyze them closely and use them to answer...

      

The following micrographs show images taken from a transverse section of a various stems by
a light microscope. Analyze them closely and use them to answer questions that follow.
52220191414.png
a)On the diagram, label part A, B and C
b) Explain the adaptation of the parts C and D to their functions
c) Identify five differences between cross section T and Q.
d) Explain how part B facilitates the process of secondary growth

  

Answers


sharon
(a) A-Vascular bundles;
B- Intravascular cambium/cambium;
C- Sclerenchyma;
(b) C- Thickened by lignin to provide mechanical support and strengthening the plants;
D -Consist of numerous parenchyma cells that store water and food substances;
d)-Packed with storage tissues to store of food and water;
52220191422.png
-Inner cambium/cambial cells divide and increase in number thereby forming secondary
xylem;
-Secondary xylem push primary xylem cells toward the center;
-Outer group of cambium/cambial cells divide and increase in number thereby forming
secondary phloem;
- Secondary phloem pushes primary phloem cells toward the periphery;
- Plant stems increases in girth/diameter
sharon kalunda answered the question on May 22, 2019 at 11:24


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