Answer:
other answer is right but they got the letter wrong, its answer B: Birth defects
Explanation:
Answer:
did u ever get the answer because i need it
Explanation:
Answer:
They have helical thickening of lignin in their walls to prevent collapse
Explanation:
the primary function of Xylem and its conducting vessels tracheids is to provide support and tranport water and minerals in plants.
Xylem vessels have layers of dead materials in the walls called LIGNIN. Lignin is a polymer; a very strong, hard materials that stop water passage through it,because it contains dead cells,
Therefore the presence of deposit of these strong impermeable, ligified walls in its walls prevent its collapse during mass flow of water of transpiration pull.
Yes, having two colored eyes is considered a mutation
They are accepted as true until they are proven false. Once a theory has been tested and it is wrong, then it is no longer true.
