Choose the combination of factors that creates snow. Record the description of the factors in the Student Guide.

from the original order (top to bottom) the new order will go

1 (founder)

4 (hawk)

2 (mutate)

3 (next generation)

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.