জীববিদ্যা – Biology Gk

Life Science

Biology

So far no definite idea or doctrine or evidence has been found on the origin of life. But at different times, different scientists have offered different theories or their theories. They are described below:

(1) Inorganic energy theory / Miraculous energy theory - According to this theory, all the plants and animals we now see around were created by a miracle. It was this power that started all life. They are still unchanged. According to the Hindu mythology, God is the origin of all creation. God created the earth, the universe and all living things.

(2) Biochemical theory of life - Operin 1938 AD gave this theory. This theory was universally known as acceptable to all. According to Oparin, life began spontaneously from some biological age or by some organic matter at sea.

From chemical compounds. It was created about 3: 5 million years ago. Previously, some simple elements such as carbon, hydrogen, oxygen and nitrogen were added together to form complex compounds on earth. This complex compound originated in life.

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