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Q: Which of the following statements is true? Gene flow and natural selection always result in evolution. Gene flow usually increases the genetic differences between two populations. According to
natural selection, organisms with poor adaptations will never reproduce. Since genetic drift is random, it does not always favor the "healthier" or "better" organisms
A: It is D.
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User: Which of the following statements is true? Gene flow and natural selection always result in evolution. Gene flow usually increases the genetic differences between two populations. According to natural selection, organisms with poor adaptations will never reproduce. Since genetic drift is random, it does not always favor the "healthier" or "better" organisms

Weegy: It is D.
partycrashnight|Points 814|

User: A cactus with long spines protects itself from animals better than a cactus with short spines. According to natural selection, _____. short-spined cacti will survive longer and reproduce more often than long-spined cacti long-spined cacti will survive longer and reproduce more often than short-spined cacti over time, the population will become entirely made of short-spined cacti over time, cacti with long spines will completely die out

Weegy: Gene flow tends to reduce differences between populations.
Expert answered|ibe0330|Points 0|

User: Mutation is an evolutionary mechanism

Question|Rated bad
Asked 9/30/2010 9:47:10 AM
Updated 5/25/2011 1:44:42 PM
1 Answer/Comment
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chinga tu puta madre
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Added 5/25/2011 1:44:42 PM
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Questions asked by the same visitor
Mutation is an evolutionary mechanism
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Expert Answered
Updated 6/14/2011 7:18:26 AM
1 Answer/Comment
True. Mutations affect natural selection. Those with beneficial mutations are selected for and will have more offspring, affecting the population and leading to evolutionary change.
Added 6/14/2011 7:18:26 AM
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