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In botany, the trunk (or bole) is the stem and main wooden axis of a tree, which is an important feature in tree identification, and which often differs markedly from the bottom of the trunk to the top, depending on the species.
Jun 15, 2017 · A typical tree is composed of three main components: the trunk, the roots, and the crown. The trunk, or stem, is the main organ of the plant. It provides the tree with structural support, acting as a conduit for water and nutrients between the roots and crown.
What is a tree trunk? A trunk is what we call the main wooden axis or the stem of a tree. It’s an important feature when it comes to identifying trees and, depending on the species, can change significantly from the bottom of the trunk to the top. Download FREE teacher-made resources covering 'tree trunk' View FREE Resources.
The cambium cell layer is the growing part of the trunk. It annually produces new bark and new wood in response to hormones that pass down through the phloem with food from the leaves. These hormones, called “auxins”, stimulate growth in cells.
Jan 28, 2020 · The trunk of a tree is made up of five different layers. The outer bark is the tree’s protection from the outside world. Continually renewed from within, it helps keep out moisture in the rain and prevents the tree from losing moisture when the air is dry.
Trunk. The trunk is the main structural part of a tree, providing support and stability. It is the vertical, cylindrical section of the tree that extends from the roots to the branches. The trunk is composed of different layers, each with its own unique characteristics and functions. Bark: The outermost layer of the trunk is called the bark.
Jan 17, 2020 · Tree Trunk Biology and Basic Wood Structure. By. Steve Nix. Updated January 17, 2020. Santiago Urquijo/Moment/Getty Images. Wood is a highly ordered arrangement of living, dying and dead cells....
