House sparrows in the northern part of North America are larger than those found in the southern regions. Which mechanism of microevolution is more likely to be responsible for this?
founders effect
natural selection
genetic drift

Question

House sparrows in the northern part of North America are larger than those found in the southern regions. Which mechanism of microevolution is more likely to be responsible for this?
founders effect
natural selection
genetic drift

carniel · Answer

I think I answered this before..... I know its not A

tesa12345 · Answer

whats genetic drift?

carniel · Answer

I wanna say genetic drift :\

carniel · Answer

Genetic drift or allelic drift is the change in the frequency of a gene variant in a population due to random sampling

carniel · Answer

Which is why the birds are bigger

carniel · Answer

They adapted to the enviorment

tesa12345 · Answer

oh okay, imma go with genetic drift then(:

tesa12345 · Answer

its wrong/:

carniel · Answer

Well it was natural selection. Sorry. Kinda of depressed so I might mess up

tesa12345 · Answer

oh, sorry. and its alright, i can redo the test(;

tesa12345 · Answer

its b