Transcript A Closer Look At Darwin`s Idea of Natural Selection

Natural Selection Rests on 4 Premises:
1) There is _______ in the traits of
individuals within a population
Natural Selection Rests on 4 Premises:
2) There is differential________, i.e.,
some individuals survive and
reproduce, some don’t, also know
as fitness.
Natural Selection Rests on 4 Premises:
3) Traits have a _______ , or are inherited
from parents
Natural Selection Rests on 4 Premises:
4) _____________, which allows organisms
to have more offspring, will become
more common in the population over
time.
Through___________________________
_________. . .
One
Species Evolved Into Another New
Species By Adapting To Its New
Environment
We see this trend again and again in the Animal
Kingdom . . .
Speciation by
means of
Reproductive Isolation &
Natural Selection!