Fill in the blanks
Driving forces for Natural Selection:
Species have the potential to increase in numbers ___________(1)_______________.
Populations contain ______________(2)______________________ due to mutations and genetic recombination (sexual reproduction).
There is a ________(3)______________ supply of resources required for life... this increases
__________(4)________________, especially between members of the same species with the same needs.
Changing ____________(5)__________________ select for specific genetic phenotypes. This is evident when we look at unrelated organisms that live in similar environments. Overtime similar body designs tend to be favored (Example: Shark & Dolphin)
Those organisms with favorable adaptations survive, reproduce and pass on their alleles... this is what Darwin called Survival of the ______(6)______________.
Changes in an environment can lead to changes in which alleles are favored over time.
Geographic Isolation is an important force that my speed up the process of __________(7)_____________ (forming a new species)
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