Which example is the best example of founder effect? *

climate change reduces the population of wolverines in the Rocky Mountains by 25%
There is a mountain lake without any fish. Five fish manage to swim into the lake
during spring runoff.
sea lions become accustomed to fishing boats and learn to beg for food
an elk herd from Montana crosses the Idaho border and mixes with an elk herd that
migrated from Washington

Two male mice, which we will call male a and male b, are both phenotypically normal. male a was from a litter that contained half phenotypically normal mice and half dwarf mice. the mother of male a was known to be homozygous for the normal igf2 allele. male b was from a litter of eight mice that were all phenotypically normal. the parents of male b were a phenotypically normal male and a dwarf female. male a and male b were put into a cage with two female mice that we will call female a and female b. female a is a dwarf and female b is phenotypically normal. the parents of these two females were unknown, although it was known that they were from the same litter. the mice were allowed to mate with each other, and the following data were obtained: female a gave birth to three dwarf babies and four normal babies. female b gave birth to four normal babies and two dwarf babies. which male(s)mated with female a and female b? male a with both females male a with female b, and male b with female a male a with female a, and male b with female b could not be determined male b with both females

Rue or false siblings look simila rbecause they each have some traits of their parents.

What are some possible consequences of preventing prescribed burns and natural wildfires