Xylem transports water and inorganic nutrients

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Xylem transports water and inorganic nutrients upwards in the plant through the roots and phloem distributes organic compounds made during photosynthesis.
The pith and cortex are made up of parenchyma cells. describe the many functions of these cells. relate parenchyma cell functions to their observed structure.
What differences did you observe in the prepared stem sections and your hand sections?what factors might be responsible for these differences?
Compare the structure and organization of roots and stems. how do these two organs differ?
Explain the relationship of structure and function for two structures or cells found only in roots.
Note that the epidermis of the roots lacks a cuticle. can you explain why this might be advantageous?
What is the function of the endodermis? why is the endodermis important to the success of plants in the land environment?
20.5 Describe the function of leaves.

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