5-6 BIOL 1001 Intro Evolution Hist Evolnary Thought (Jan. 16 18) post-lecture

5-6 BIOL 1001 Intro Evolution Hist Evolnary Thought(Jan 16 18 post-lecture

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Unformatted text preview: so that they can resist starva2on longer? Genera2on 1 Genera2on 2 8 Challenge the insect! •  Can we manipulate fruit flies so that they can resist starva2on longer? Genera2on 1 Genera2on 2 Genera2on 60!! 10 In this example, which of the following are true? (i.e., What happened?) A.  The individual flies changed in their ability to resist starva2on. B.  The fly popula2on changed because it needed to be able to go without food. C.  The fly popula2on learned to go without food, resul2ng in increased resistance to starva2on. D.  The flies who were good at resis2ng starva2on in genera2on 1 are now the only ones to survive in genera2on 60 . E.  None of A, B, C, & D are true. Challenge the insect! •  Over many genera2ons of selec2on, the popula2on changes. The fruit flies now resist starva2on much longer. • Did any of the indivi...
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This note was uploaded on 03/03/2013 for the course BIOL 1001 taught by Professor Dr.kelly during the Spring '13 term at York University.

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