Question
Differentiate between tracheids and vessels.
Tracheids | Vessels | |
Shape & Size | Tracheids are the long elongated cells. | Vessels are wider and shorter cells. |
Present | Tracheids are present in all vascular plants; in gymnosperms, they occur alone in the woody area of the plant while in angiosperms they are associated with vessels. | Vessels are typically found only in the angiosperms. |
Ability to retain the water | Tracheids have the higher surface to volume ratio as compared to the vessels that is why they can resist gravity and have the ability to retain the water. | Lacks ability to retain water. |
Formation | Tracheids are formed with the division of single individual cells. | The longitudinal bundle of cells is divided to form vessels. |
Pits | Tracheids are imperforate cells, which have large pits that are less in number. | Vessels have smaller pits which are multiple in numbers. |
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