What is the definition of tree in English?

(Entry 1 of 3) 1a : a woody perennial plant having a single usually elongate main stem generally with few or no branches on its lower part. b : a shrub or herb of arborescent form rose trees a banana tree. 2 : something in the form of or resembling a tree: such as.

What is tree stem?

Stem, in botany, the plant axis that bears buds and shoots with leaves and, at its basal end, roots. The stem conducts water, minerals, and food to other parts of the plant; it may also store food, and green stems themselves produce food.

What are tree roots?

Roots absorb and transport water and minerals from the soil to the rest of the tree. Roots also anchor the portion of the tree above ground. It is important to keep the portion above ground healthy to ensure an adequate food supply for the roots to continue their important functions.

What is a tree in science?

Trees are all plants and carry out the life processes that all plants share. However, trees are not actually a scientific group of their own. Trees may be cone-bearing plants (gymnosperms), flowering plants (angiosperms) or ferns. All the groups of plants that include trees are vascular plants.

What makes something a tree?

Though no scientific definition exists to separate trees and shrubs, a useful definition for a tree is a woody plant having one erect perennial stem (trunk) at least three inches in diameter at a point 4-1/2 feet above the ground, a definitely formed crown of foliage, and a mature height of at least 13 feet.

What is tree in simple words?

A tree is a tall plant with a trunk and branches made of wood. Trees can live for many years. The four main parts of a tree are the roots, the trunk, the branches, and the leaves. The roots of a tree are usually under the ground.

Are tree trunks alive?

Summary: Within a shrouded New Zealand forest, a tree stump keeps itself alive by holding onto the roots of its neighboring trees, exchanging water and resources through the grafted root system. New research details how surrounding trees keep tree stumps alive, possibly in exchange for access to larger root systems.

How deep do tree roots go?

Under ideal soil and moisture conditions, roots have been observed to grow to more than 20 feet (6 meters) deep. Early studies of tree roots from the 1930s, often working in easy-to-dig loess soils, presented an image of trees with deep roots and root architecture that mimicked the structure of the top of the tree.

Which is an equivalent definition of a tree?

Another equivalent definition is that of a set-theoretic tree that is singly-rooted and whose height is at most ω. That is, the algebraic structures (X, parent) are equivalent to partial orders (X, ≤) that have a top element r and whose every principal upset (aka principal filter) is a finite chain.

What is the kids definition of a tree?

Kids Definition of tree (Entry 1 of 2) 1 : a long-lived woody plant that has a single usually tall main stem with few or no branches on its lower part 2 : a plant of treelike form a banana tree

Which is the correct definition of an ordered tree?

An ordered tree is a structure (X, ≤V, ≤S) where X is a non-empty set of nodes and ≤V and ≤S are relations on X called vertical (or also hierarchical) order and sibling order, respectively.

How to use a tree in a sentence?

Tree definition is – a woody perennial plant having a single usually elongate main stem generally with few or no branches on its lower part. How to use tree in a sentence. a woody perennial plant having a single usually elongate main stem generally with few or no branches on its lower part…