MCQ
Which type of selection is industrial melanism observed in moth, Biston bitularia:
- AStabilising.
- BDirectional.
- CDisruptive.
- DArtificial.
Industrial melanism is not a mean character but is acquired by most of the individuals. Hence, it is an example of directional change.
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$(A)$ Tropical latitudes have remained relatively undisturbed for millions of years and thus had a long evolutionary
time for species diversification.
$(B)$ Tropical environments are more seasonal and less predictable than temperates.
$(C)$ There is more solar energy available which contributes to higher productivity.