In a species,the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average reight between 3 to 3.3 kg survive whereas 99% of the infants born with weight from 2 to 2.5 kg or 4.5 to 5 kg die.Which type of selection process is taking place ?
Directional Selection
Stabilizing Selection
Disruptive Solution
Cyclical Solution
Directional selection
2 )stabilizing selection will be the correct answer as in this case the mid characters are favoured not the extremes
Option 2
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Stabilizing or balancing selection -
A type of natural detection which leads to the elimination of organism having over specialised characters and maintains homogeneous population which is generally constant.
- wherein
It favours the average or normal phenotypes. Results in very low rate of evolution.
Stabilizing selection favours the medium types
while the extreme phenotypes 
are eliminated.
Option 1)
Directional Selection
Option 2)Stabilizing Selection
Option 3)Disruptive Solution
Option 4)Cyclical Solution