Which best describes the mutations and variations that affect natural selection? 1)They are chosen Miss Zoo was watching a comedy in the movie theater. 2)They are random Professor Astro was stretching in the kitchen. 3)They are always positive. 4)The injury was not done with a fallen object. 5)They are always negative The injury was not a stubbed toe.​

2) they are random

Explanation:

example: crossing over

i'm gonna put a couple so you can chose from

explanation:

if you know the fur color of the offspring mice, you can use the ratios to identify the genotypes of the parents.

if either parent mouse passes a dominant allele, the offspring will have black fur.

if the parental mice has two different fur color (i.e white and black) , the color of the offspring's fur would be either black, white, or the combination of both (grey)

hope this : )

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.