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Plant tissues. How do we recognise them?. Where could this possibly come from?. Meristematic tissue. Meristematic tissue is composed of immature cells that grow, divide & differentiate giving rise to the other types of plant tissues. Eg. The root tip of an onion.
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Plant tissues How do we recognise them?
Meristematic tissue • Meristematic tissue is composed of immature cells that grow, divide & differentiate giving rise to the other types of plant tissues. • Eg. The root tip of an onion
Surface of a leaf • Note the guard cells.
Xylem • Long tubes • Note the pits • Transport of water, dissolved solutes. • Support
Vascular bundles (cross section) Phloem – • Long tubes composed of sieve tubes and companion cells. • Transport of sugar. Xylem
Parenchyma What are these?
What are those ringlets? • Parenchyma is a simple tissue. It makes up the bulk of plant body. • Xylem- those stained red are showing the lignin in xylem.