What is the change observed in the number of green and brown beetles in the population most likely due to? (15.13) O natural selection O selective breeding O a common ancestor O gene manipulation

Which is the true statement about natural selection? O natural selection can cause some traits to become less frequent in a population over generations O natural selection causes random changes in trait frequencies in a population O natural selection can cause new versions of a trait to appear all the statements are correct

Sometimes gene flow between populations can have negative effects, with one population receiving genes of lower fitness from another population. Which of the following below is a good case example of this observation? O Tibetian highland people interbreeding with lowland people producing children of intermediate hemoglobin proteins OInterbreeding of Texas and Florida Panthers have greater survivorship than inbred Florida Panthers O Male Townshend Warblers out compete male Hermt Warblers and mate with female Hermit Warblers O Wild steelhead interbreeding with captive steelhead produced offspring with lower relative fitness

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