Life on earth
Illustrate that when did the life appear over earth?
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It is estimated that the life over earth is emerged around 3.5 billion years ago, therefore 1 billion years after the formation of the planet.
Explain, whether fish heart pump arterial or venous blood?
What is the basic difference among spatial and temporal summation of muscle fibers?
How does the sexual arousal phenomenon within the women assist the fecundation?
Illustrate that the plant transpiration increase or lower whenever air humidity is high?
Why we can say that the sun is a "motor" of water cycle?
Which kind of plant tissue is cork?
Why is it a strong evolutionary hypothesis which, though viruses are the structurally simplest beings they were not the initial living beings?
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Name the subunits from which ribosome are made up of?
How do you define stability indicating method.
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