What analogy best describes the effect that increased commercial boat traffic has on whale populations

It could be likened to a noisy bar or restaurant that prevents social communication across appreciable distances.

Explanation:

A commercial boat is a boat that is used to carry people regarded as passengers. This means that it is a boat that is used for business to carry people for the purpose of making money.

Since a boat is used on the water, it will definitely come in contact with the living organisms in the water. The boat will be having some affects which will be through the noise it is creating .

This means that the noise of the boat will be disturbing and dispersing the fishes especially when they are together.

This is the reason why it can be compared to a noisy bar or restaurant that prevents social communication across appreciable distances.

rocks and weathering-matching

this is true, assuming that the allele is completely recessive and incomplete dominance is not a factor.