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 weight
from 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place?

Embryological support for evolution was proposed by

The flippers of the Penguins and Dolphins are the example of the

Which one of the following factors will not affect the Hardy-Weinberg equilibrium?

Given below are some stages of human evolution. Arrange them in correct sequence.
(Past to Recent)
A. Homo habilis
B. Homo sapiens
C. Homo neanderthalensis
D. Homo erectus
Choose the correct sequence of human evolution from the options given below:

Match List I with List II :

Choose the correct answer from the options given below:

The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of:

The tendency of population to remain in genetic equilibrium may be disturbed by:

The process by which organisms with different evolutionary history evolve similar phenotypic adaptation in response to a common environmental challenge, is called :

Industrial melanism is an example of:

Embryological support for evolution was proposed by