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143.
Which one of the following is incorrect about the characteristics of protobionts (coacervates and microspheres) as envisaged in the biogenic origin of life?
A
They were able to reproduce
B
They could separate combinations of molecules from the surroundings
C
They were partially isolated from the surroundings
D
They could maintain an internal environment
Answer :
They could separate combinations of molecules from the surroundings
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149.
In a species, the weight of newborn ranges from 2 to 5 $$kg.$$ 97% of the newborn with an average weight between 3 to 3.3 $$kg$$ survive whereas 99% of the infants born with weights from 2 to 2.5 $$kg$$ or 4.5 to 5 $$kg$$ die. Which type of selection process is taking place?