The Earth’s climate as we know it today is a rarity. Over a long period of time, 10% of the time with a climate like today, 10% with a two kilometer thick ice (ice age), and 80% of the time we have tundra landscape like Siberia.
How many bacteria are there on earth?
There are approximately 500 million bacteria per gram of soil regardless of pH conditions. In addition, there are approximately 500,000 fungi per gram of soil in ordinary Danish soil.
What is special about the bench biter?
The only terrestrial crustacean is the longhorn beetle, which mostly feeds on decaying organic matter in the soil.
When is the sun closest to the earth?
The sun is slightly closer to the Earth in winter because the Earth’s orbit around the sun is elliptical.
What is the term for anything related to soil?
Edaphon (from the Greek έδαφος ethaphos “earth”) is the term for everything related to the soil.
How much of the Earth’s surface freezes into ice?
7-10% of the Earth’s total water surface freezes every year.
The news of the origin of life
If the news of the emergence of life on Earth 3 billion years ago had been immediately sent out into the universe at the speed of light, it would not yet have traveled more than 1/3 of the distance to the most distant galaxies in the universe.