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Oak Trees
There are hundreds of species of oak trees around the world. The highest percentages are located in North America and China. Oak trees produce a fruit called an acorn.
663 Questions
How do oak trees survive the winter?
When the average temperature drops below an average of about 7C (45F) and the hours of daylight starts to decrease the tree actually starts to prepare itself for winter.
It stores the food made in the leaves (photosynthates) in storage cells called parenchyma. It then releases it all during winter. Hormones are released in the roots and leaves and travels throughout the tree, signaling to get acclimated for winter. The leaves drop so that water won't evaporate from the tree. The concentration of dissolved chemicals ( solutes) increases inside the cells which lowers the freezing point of the water in the cells. Therefore, as temperatures drop, water outside cells freezes first. Freezing water releases small amounts of heat energy, which in turn, helps cell fluids remain unfrozen. Twig temperatures actually rise several degrees during this process.
Water moves out of cells attracted to the ice crystals in the pore spaces. This prevents the cells from freezing and rupturing. This process effectively reduces the freezing point of the cell's water even more. Also the outer part of the bark (which is biologically dead anyway) has many small air pockets in its structure and acts as an insulator.
Are water oak trees evergreen?
No, the water oak (Quercus nigra) is not evergreen.
An evergreen tree takes more than a year to lose and replace its foliage. A deciduous tree loses and replaces its foliage before a year is up. The water oak holds onto its leaves well into the winter. But the time frame of leaf growth and drop still takes place within less than a year.
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How do you estimate the age of an oak tree?
You need to measure the circumference of the trunk 1.5m high off the ground. Measure it in cm and then divide by 2.5. For example, my oak tree has a circumference of 616cm. So, 616/2.5 = just over 246 years!
If conditions are good,it becomes a tree. An acorn is a seed.
Hello,
Well, it depends on which types of oak as there are various species of Oak Trees.
American Oak lives for centuries if all circumstances are favourable with Pin oaks living for only 100 years. Red Oak lives for about 200 years while White Oak lives for a century longer that the red. The oldest oak is seen to have lived for over 600 years.
If you want to find the lifespan of specific types of oak you should search it up.
Hope I Helped
What does a white oak tree look like?
try reading and looking here..
http://en.wikipedia.org/wiki/Oak
What does it mean when acorns start falling early?
It can be the result of too little rain, especially if the trees are also losing their leaves early, as well. The trees do this as a way to ensure the tree gets all of the the available water, helping to preserve the tree.
Some also say it's a sign of an early fall.
It's either,
A. Producer
B: Decomposer
C: Consumer
D:Scavenger
yes the acorns are seeds
yes, it is one of many producers.
Are live oak trees protected in Texas?
Yes, live oak trees are protected in Texas. Texas was one of the first states to make a law protecting oak trees.
Four main characteristics used to identify oak trees or hummingbirds as living things?
reproduceing,Eating,breathing and growing
How can you tell if a oak sapling is dead?
It is living, because it:
Has cells
reproduces
has DNA based on a universal genetic code
grows and develops
needs energy to live
maintains a stable internal environment
responds to stimuli
and evolves!
These are the characteristics of living things!
How long does it take for an oak tree to reach 30 metres high?
How long does it take eight Oaktree you get 30 m high
Acorns are the fruits (seeds) produced by Oak trees. The Oak tree will attempt to grow acorns every year. In some years the conditions for them are better and others but there are always some.
If some of the xylem of a young oak tree was destroyed, it would most likely interfere with the tree's ability to transport water and essential nutrients from the roots to the leaves and other parts of the tree. This disruption could lead to wilting, reduced growth, and overall poor health, as xylem is crucial for maintaining the tree's hydration and supporting photosynthesis. Additionally, it could make the tree more susceptible to stress and disease.
What type of wood does an oak tree have?
The oak tree has thick bark. In fact the Cork Oak has such thick bark it is used for cork boards.
This is a statement and not a question. Wiki doesn't provide photos for answers. I suggest you do a search.
How offen do oak trees producing accorns?
it depends on how big and how old the tree is and the weather conditions. Some years more than others. Often acorn production is a predictor of how how hard the following winter will be.
Most answers you will find state 2200 for a 150 year old tree. But this data is incorrect and it is estimated that there are the range from 22000 to 35000 on a unusual Fall.
What are facts about the white oak tree?
- It is found in West Virgina more than any other state. It is also family to white oak and pin oak
- You can find it a lot in the woods
- the red oak tree i 60 to 100 feet high.
- It is used for wood flooring and wood furniture
