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Trees

Above ground, trees and shrubs perform important environmental services by providing food and shelter to people and wildlife, oxygenating the air, and beautifying the landscape. Below ground, their roots open up critical passageways for the movement of air, moisture, and soil food web members.

10,768 Questions

Why are most tree leaves green?

Tree leaves appear green because of chlorophyll, a pigment responsible for capturing sunlight to produce energy through photosynthesis. Chlorophyll absorbs blue and red light, reflecting green light, which gives leaves their green color. This process is essential for plants to convert sunlight into energy for growth and survival.

What is the point beyond which trees cannot grow?

The tree line is the elevation at which trees stop growing due to harsh conditions like cold temperatures, high winds, and lack of nutrients. This line varies depending on the location, with trees unable to grow beyond a certain point in cold, mountainous regions or at high latitudes.

How does a tree keep its shape without a skeleton?

Plant cells are surrounded by a stiff cell wall made of cellulose, which makes the cells very rigid. It is this strong structure that gives plants their sturdiness.

What typeof trees lose their leaves each year?

what antibiotic did sir alexander fleming discover

Can humans breathe without trees?

It would most likely be possible, and uncomfortable. I think that most people wouldn't want to, but its yoyur decision. You would see a lot of wildlife, you might even experience a little poison ivy though. MY advice is that you don't but only for camping.

Where do conifers hide their seeds?

Conifers hide their seeds within the protective structure called a cone. The seeds are usually located inside the cone scales, which help to protect them from predators and harsh environmental conditions.

When do leaves start blooming on trees?

It depends on where you live. In the Northeast United States, I'd say the leaves start to bloom around the end of April to the middle of May.

Plants lose water through what from their leaves?

Plants lose water through small openings on their leaves called stomata. Water evaporates from the surface of the leaves during a process called transpiration, which helps plants absorb nutrients and stay cool.

How old can trees be?

trees don't have to be old to be cut down. in some cases it is illegal to cut down old trees if they are not threatening a building. but if a tree, young or old, is in bad condition and about to fall down it might need to be cut down for safty.

What a tree line?

A tree line is the edge of the habitat at which trees are capable of growing. A tree line is different from a timberline. A timberline, often called a forest line, is the line where trees form a forest with a closed canopy.

What are disadvantages of AVL tree?

The advantage of an AVL tree is that it is always balanced, guaranteeing the O(lgn) speed of the Binary Search algorithm.

The disadvantages the complex rotations used by the insertion and removal algorithms needed to maintain the tree's balance.

What is a white mirepoix?

A white mirepoix is made by replacing the carrots in a standard mirepoix with parsnips & adding mushrooms & leeks. Some chefs prefer to use a white mirepoix when making a white stock, as it produces a lighter product.

How can 7 trees be planted so that there are 6 rows in a straight line with each row having 3 trees?

Plant the in the shape of an arrowhead with intersecting lines from the middle bottom point. Plant the trees at every corner!!

Are leaves matter or no matter?

*flinching from horrific grammar* yes i think so

What is the name of ababeel in english?

Ababeel is the Arabic word for “swallows” in English. It refers to a bird species known for its swift and agile flight patterns.

Why do horses have chestnuts?

Horses don´t have chestnuts, it is a couler.

horses do have chestnuts on the inside of their legs, it is the traces of an old toe from prehistoric times when horses were more like dogs. it is said that the chestnut fuses the horses legs together inside the womb and it breaks during birth, im not sure if that is correct though.

These grow sometimes, and have to be cut down a little bit. If not, they will interfere with the horse's movement.

They are parts of old bone from there prehistoric times they used to be toes

When do red poinsettias bloom?

Red poinsettias typically bloom during the winter months, specifically around November and December. They are often associated with the holiday season, particularly Christmas. Gardeners may encourage blooming by providing the plant with 12-14 hours of darkness each day leading up to the bloom period.

What is another name for Sequoia?

Redwood may refer to: * Family Cupressaceae (conifers) ** Sequoia sempervirens - Coast Redwood ** Sequoiadendron giganteum - Giant Sequoia or Sierra Redwood ** Metasequoia glyptostroboides - Dawn Redwood ** Cryptomeria japonica- Sugi * Family Pinaceae (conifers) ** The wood of Scots Pine (Pinus sylvestris), sometimes called 'redwood' in the timber trade * Family Fabaceae (broadleaf) ** Caesalpinia sappan - East Indian Redwood, or Sapanwood tree (first called "brezel wood" in Europe) ** Caesalpinia echinata - South American Redwood, or Brazilwood tree * Family Sterculiaceae (broadleaf) ** Trochetiopsis erythroxylon - St Helena Redwood

What do evergreen represent?

Evergreen trees symbolize resilience, endurance, and everlasting life. They stay green and retain their foliage throughout the year, representing hope and eternal vitality in various cultures and traditions.

Is cottonwood tree coniferous or deciduous?

A FRIEND IN UTAH WAS WALKING HER DOGS IN THE PARK IN OCTOBER WHEN SHE NOTICIED THAT ALL THE COTTONWOOD TREES THERE WERE SHEDDING THEIR LEAVES--ALL THE TREES, ALL AT ONCE--EVEN THE GREEN LEAVES. SHE AND HER DOGS RAN TO THE TREES AND STOOD UNDER THEM FOR A BRILLIANT, INCREDIBLE TREE SHOWER.

MINUTES LATER THE TREES WERE BARE! AND ONLY HOURS LATER, WHEN SHE RETURNED TO THE PARK, THE FORMERLY SHINY GOLD LEAVES HAD ALL LOST THEIR GLOW AND APPEARED DULL AND UNINTERESTING.

SO...Do COTTONWOOD TREES SHED THIER LEAVES? APPARENTLY...ANIT IT'S SPECTACULAR!

Smriti in CA

Do trees shed bark?

Yes, trees shed their bark as they grow. This process is known as exfoliation or flaking, and it allows the tree to shed old, damaged, or dead outer layers of bark to make way for new growth. Bark shedding also helps trees maintain healthy outer layers and protect themselves from pests and diseases.

Another name for a evergreen tree?

This depends what you mean by tall and how quick you want it to grow. Thuja plicata Fastigiata is quite quick and tall. This is a variety of the Western Red Cedar. Taxus baccata Fastigiata the Irish Yew is a slow grower. Cupressus sempervirens the Italian Cypress, not good in cold areas. This is not them all but will do for a start.

How big do Eucalyptus trees grow?

Eucalyptus trees can vary in size depending on the species, but they can grow up to 250 feet tall in ideal conditions. In cultivation, most eucalyptus trees are kept pruned to a more manageable height for landscaping purposes.

Trees die if a ring of bark is removed why?

The layer under the bark carries the nutrients to the tree so if this is stopped the tree will die. The layer under the bark carries the sap to the rest of the tree if this is disturbed the tree will die.