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Life on Earth
Photosynthesis - - - Chemosynthesis|
Without these two chemical reactions life on Earth, as we know it, would not exist. We would not exist.
The first life forms on ancient Earth, have lived in the oceans without sunlight, often under high pressure.|
Today these life forms still exist, scientists call them chemotroph. Chemotrophic organism use sololy anorganic substances to produce energy, covering their carbon needs through carbon dioxide Co2.
What do you think: How many bacteria do you need to stay alive?
When bacteria on Earth oceans started to produce oxygen, phototrophic life forms started to thrive on Earth.
1977, a submarine close to the Galapagos islands got a glimpse of these "black smokers". The chemicals coming out of these hydrothermal vent fluid would be toxic to most forms of life, we know of.
Nowadays we know of many of these smokers in different areas of Earth's ocean floor. Life at hydrothermal vents is not dependent on sunlight and photosynthesis, but instead rely on chemosynthesis, a process in which certain microbes use chemicals in the vent water to produce energy.
An entire food chain of animals lives down there with chemosynthetic microbes growing on and below the seafloor and even within other animals at the vents.
Almost all life on the surface of Earth needs
Find more information on Photosynthesis - using this link
Interestingly photosynthesis and chemosynthesis help to produce ATP. All known life forms need energy in the form of Adenosintriphosphat (ATP). ATP is the universal energy bearing substance in all cells.
Humans and all other life forms cannot live without ATP.
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BSB Information on Earth:|
- Why is Earth called the blue planet?
- Why Earth has continents?
- Why Earth has earthquakes?
- Earth, the only home for Humans?
- Earth's solar system is special
- Why is Earth sick?
- Earth climate is changing
- Earth uncountable species
- Astonishing photos from Earth
Better in-depth knowledge helps us preserve |
and not to destroy Earth - as we know it -
A good environmental education helps us to understand Nature
and to deal with coming changes + challenges.
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Conservation Education (CE) is the combination of two words that have become one word to educators.
CE is the ability to give people opportunities to grow in knowledge and create changes to their life style and their environment,to have a better life, to have a safer future!
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