Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
In this tissue, the presence of bordered pits in the walls of cells prevents the formation of embolisms. The secondary kind of this tissue is located on the interior of the vascular cambium and comprises heartwood and sapwood. Transport in this tissue is partially caused by root pressure, and the secondary walls of its cells are (*) lignified. Cohesion-tension theory describes how transpirational pull moves sap through this type of tissue, which is composed of vessel elements and longer, thinner tracheids. Cells are dead at maturity in, for 10 points, what water-transport tissue that is found in plants and contrasted with phloem
A:
Science