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Reproductive isolation

BIO152 Lecture 12 The Origin of Species

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Lecture 16-17 BIO152 The Origin of Species L16 flightless : can?t fly but its a really good swimmer Biological species concept states a species is group whose members have potential to interbreed in nature and produce viable, fertile offspring mule is viable but not fertile reproductive isolation-barriers that prevent two species from breeding reproductive isolation is classified if it happens before or after fertilization sperm of one species may not be able to fertilize the other- gameric isolation they may be viable in one generation but not the others- hybrid breakdown post zygotic barriers have to do with hybrids beluga seal intrasextual- inflates balloon to warn of males if they approach and use his balloon again to attract female (intersextual)

AP bio summer hw ch 5 questions

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AP Biology Summer Assignment Unit 5: Mechanisms of Evolution Ch. 22- This is the introductory chapter for the evolution unit. Look though the topics covered in this chapter and describe the ones that you think will be the most interesting to study. Explain your choices.
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