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gene pool

QuestionAnswer
19. What is a gene pool? all the genes of all the members of a particular population alleles
20. What is a mutation? changes in sequence of dna
21. What will happen to a species (organism) that lacks variation that allows it to adapt to its environment? it will die off
22. What happened with the peppered moths in the 1800’s in England? Which color was more fit for its’ environment? they adopted their enviroment
23. In Arizona, a rabbit had a litter of babies. Some of its offspring were white and some were brown. An owl started to prey and eat the white rabbits. This is an example of: survival of the fittest / nstural selection
25. Water fowl such as ducks and swans have webbed feet whereas birds on land have clawed feet. What would explain this difference? adaption
26. What are the two sources of genetic variation? mutations and gene shuffling
could natural selection occur with genetic varietion ? no populations would die
27. According to this family tree how many animals have jaws? 4
28. According to this family tree which member probably changed the least over time? charlie brown
which member has the most similardna to charlie blue green ? charlie blue yellow
what do all organisms have in common that allows them to pass on genetic information to their offspring ? dna
as species evolve and cannot reproduce with each other they become reproductuly isolated
list three types of reproductive isolation 1 behavioral 2 geographic 3 temporal
Created by: r1005020
 

 



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