Period 2, Esmeralda Figueroa

Period 2, Esmeralda Figueroa

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  • Principle #1-Genetic Variation- Both insects live in the same environment and eat the same food. The lighter  green  insects  have become immune to the  pesticides given off in their environment, so  the pesticide has no effect on the them.   However the darker green insects are not resistant to the pesticides. The resistant mutation can be passed down to the offspring.   The dark green  insects are affected by the  pesticide because they do not have the mutations that would make them resistant.
  • Principle #2-Overproduction and Struggle for Survival-  The  darker  green   insects are  dying because they do not have the mutation  that resists the fatal pesticide. The light green insects are  surviving  and passing on the mutation to their offspring. Not all the insects are dying . The dark green insects do not live a long life.
  • Principle#3 Differential Survival and Reproduction- The  lighter green insects are  able to survive because they have become immune to the pesticide that is meant to kill  them . The surviving light green  insects are   able to reproduce ,allowing them to pass on the resistant mutation on to their offspring. This will result in the offspring  also  being immune to the  pesticide .
  • Principle#4 Change in Gene Pool- Over  time,the light green  insects population will increase because they are able to survive and reproduce . Meanwhile the dark green population on insects will decrease because they cannot adapt to their environment causing them to die early and not reproduce.
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