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How many trees on your planet?

Updated: 8/11/2023
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12y ago

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The first plants to develop a woody core and begin looking like tress were ferns - as early as the Middle Devonian (around 388 million years ago) one species, Wattieza, had already reached heights of 8 m and a tree-like habit. Archaeopteris (an ancestor to gymnosperms like conifers) came a bit later and produced the first true wood.

The first trees we would recognize where the Conifers which appear in the fossil record around the Pennsylvanian (323.2 million years ago to 298.9 million years ago) .

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7y ago
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8y ago

Really, Trees, both leafy and otherwise, reflect sunshine in very particular patterns, making it possible for satellites to map and computers to count strips of land where trees are. Biologists can then sample those places - forests, suburbs, city parks, even city streets - assume a tree density, multiply by acre or hectare, and calculate that. In 2005, there were 400,246,300,201 (more or less) trees on our globe. (That's over 400 billion, for those of you who have trouble working through the commas.) ***EDIT*** - Strange, 400 billion trees only averages out to 60 trees to every 1 human being? Most scientist agree that the data needed to complete the complex mathematics required to accurately approximate the number of trees on the planet Earth simply does not exist. The truth is, we have no idea. Estimates have ranged from anywhere between 1 to 10 trillion trees currently inhabit the surface of the Earth (a considerably noticeable gap can easily be observed between these two figures lol). The number you quoted above (400,246,300,201) was a study funded by an extremely liberal organization which went on to claim (outrageously) that over 50% of the trees on the planet Earth have been harvested/destroyed by human beings. If this were true, the entire human population would have been swept away in an enormous fresh water flood and any remaining survivors would eventually die from starvation, soil degradation/poisoning and/or extreme atmospheric deterioration. I'll let the rest of you decide what you CHOOSE to believe.

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12y ago

The earliest flora that we would recognize and call "trees" were early conifers that evolved during the Middle Permian epoch, about 275 million years ago. There were very large "tree-like" plants prior to that, but they were more akin to gigantic ferns.

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12y ago

400,243, 300, 201 (400 billon)

If you think that's alot, wrong!

25,000,000 trees are getting cut down

each year!! 3,400,000 (3.4 millon) trees

are planted in a year!! Each year huge

amount of trees are getting cut down.

Save the trees, save to environment,

SAVE EARTH.

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12y ago

About 360 million years. (After the Cambrian period 550 million years ago, or "Cambrian explosion", as it is known, when most animal life began on this planet, plant life began to appear. The first plants, in the ocean, appeared 460 million years ago, and the first trees about 100 million years after that.)

Answer 2 :

Trees must not be confused with plant ! Word trees is reserved for tree ferns , gymnosperms and angiosperms , which appeared in late Paleozoic Era nearly 400 million years ago .

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11y ago

It is estimated that flowering plants have existed on Earth as they do now for around 125 million years. With the Earth being 4.54 billion years old, that rounds up to about 6% of Earth's history.

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11y ago

The best guess is somewhere between 3.5 and 4 billion years, with the earliest clear fossil evidence being about 3.4 billion years old.

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13y ago

about 200 billion trees on earth

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