Project #91302 - biology post

Discussion board post, 1 to 2 paragraphs response for each.  See attachment for #2.  Need by 11/5/2015, no later than 6pm EST.

 

1. While evolutionary processes are generally regarded as slow and gradual, change in the gene pool can be observed in organisms with quick generation times.  For example, antibiotic resistance is a significant consequence of evolution.  As resistance genes are selected for in microbes and allow resistant species to survive more successfully than their susceptible counterparts, "super bugs" develop.  This can occur at an incredibly rapid pace.  In fact, drug resistant bacterial species were identified only a decade after the introduction of penicillin, necessitating the production of stronger antibiotics often with more severe side effects.  MRSA, tuberculosis, and even the bubonic plague are among the numerous bacterial species with drug resistant strains.  Please discuss at least two factors that make drug resistant bacteria more common and the implications for medical treatment in the future.

 

2. Evolutionary biologist Theodosius Dobzhansky wrote in a 1973 essay, "nothing in biology makes sense except in the light of evolution."  Your textbook includes evolution connections in every chapter to draw an association between all biological concepts to evolutionary processes.  The high school Advanced Placement Biology curriculum includes evolution as the first "big idea", and the College Board suggests teachers of the course connect all learning to this content.  Reflect on Dobzhansky's quote and explain its meaning.  Why is such emphasis placed on evolution in biology?  Do you think this emphasis is valid?

 

Subject Science
Due By (Pacific Time) 11/05/2015 03:00 pm
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