Sentences with phrase «xylem tubes»

Also, I had been told repeatedly that the water in xylem tubes is under tension — which sounded like pulling, not pushing, to me.

Such is the case in the xylem tubes of trees.

Because of the narrow diameter of the xylem tubing, the degree of water tension, (vacuum) required to drive water up through the xylem can be easily attained through normal transpiration rates that often occur in leaves.»

Not exact matches

Xylem cells form a continuous tube from the leaf to roots which acts like a drinking straw giving a flow of water from root to leaf.

It then moves into the xylem vessel which is the tube that carries the water up the plant.

In the lab, they studied plant xylem vessels — xylem cells make the tubes that transport water from the roots to the top of a tree.

Water and other materials necessary for biological activity in trees are transported throughout the stem and branches in thin, hollow tubes in the xylem, or wood tissue.

These two features allow water to be pulled like a rubber band up small capillary tubes like xylem cells.

Teacher Answer Key Topics Include: • plant systems: roots and shoots • plant tissues: dermal, vascular, ground • epidermis • trichomes • xylem • phloem • plant cell types: parenchyma, collenchyma, sclerenchyma • fibrous roots • taproots • root hairs • root cap • stems • leaves • palisade mesophyll • spongy mesophyll • cuticle • stomata • guard cells • meristems • primary growth • secondary growth • vascular cambium • cork cambium • wood • tree rings • bark • mycorrhiza • legumes • tracheids • vessel elements • transpiration • sieve - tube members • companion cells • pressure - flow hypothesis • parasitic plants • carnivorous plants • epiphytes • hormones • auxins • phototropism • gravitropism • thigmotropism • cytokinins • gibberellins • ethylene • abscisic acid • photoperiodism • desert plants • plant defenses Happy Teaching!