Short Answer Type
Long Answer TypeThe major theories of origin of life are :
1. Special Creation (Proposed by Father Saurez). This theory of special creation attributes the origin of life to a supernatural or vitalistic events at a particular time in the past. In other words, this theory believes in the creation of life by God.
2. Spontaneous Generation : This theory discards the abiogenesis and believes in biogenetic origin of life i.e. life originates from pre-existing life-biogenesis.
3. Extra terrestrial or Cosmic Origin (Richter). This theory believes that life on earth came from some other planet.
4. Terrestrial Origin or Abiogenic Origin (Oparin and Haldane). This theory states that life originates on earth from collections of organic molecules that were produced early in the history of the earth. This theory of terrestrial origin has scientific basis.
Summarise Miller's simulation experiment for organic synthesis. Comment on its efficacy.
Using internet and discussing with your teacher, trace the evolutionary stages of any one animal say horse.
Short Answer TypeLong Answer TypeShort Answer TypeState the advantages that the erect posture and large brain gave to the humans over other primates.
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