SCIENCE
ECOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -The biosphere is unique to Earth because it’s the only planet known to support life. It’s believed that Earth’s biosphere started about 3.5 to 4.1 billion years ago. All living things originated from a common ancestor called the last universal common ancestor (LUCA).
Detailed explanation-2: -The biosphere is made up of the parts of Earth where life exists. The biosphere extends from the deepest root systems of trees, to the dark environment of ocean trenches, to lush rainforests and high mountaintops. Scientists describe Earth in terms of spheres.
Detailed explanation-3: -The biosphere is the life-supporting stratum of earth’s surface., including the hydrosphere, lithosphere, and atmosphere. It is the place wherein all living organisms interact with the abiolitic components of the ecosystem. The biosphere extends to a height of 20 km from the ocean floor.
Detailed explanation-4: -All of the planets, except for Earth, were named after Greek and Roman gods and godesses. The name Earth is an English/German name which simply means the ground. It comes from the Old English words ‘eor(th)e’ and ‘ertha’.