us: uestion Completion Stat QUESTION 40 An excellent example of evolutionary exa
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us: uestion Completion Stat QUESTION 40 An excellent example of evolutionary exaptation is? 0 A bird feathers B.one of the longbones of the leg (femur) C. the mammalian brain O D.none of the above are good examples of exaptation QUESTION 41 Exaptation improves an individuals fitness fortuitously, not because natural selection is goal oriented? O True O False QUESTION 42 Which of the following is the best definition for the term analogous? A Traits (similarities) B.Traits between organisms that are derived from a common ancestor within oreanisms that are derived Click Save and Submit to save and submit. Click Sove All Answers to save all answers MacBook Air 3 5Explanation / Answer
40. Answer is option A - bird feathers
Dinosaurs have feathers but they are not used for flight but after evlotuion the birds use the feathers for flying they have adapted themselves. this is called exaptation. where one organ is not usefull for some species at one time and due to evlotuion the other species adapted and they make use of the same organ.
41. True.
42. option c. analogous means comparing some same function but that function is originated form different ancestors. for example birds and insects the wings is used for flying but these two have different evolutionary origins.
43. false.
44. option B. structure used originally for one purpose is modified for new one. i have already explained in question no 40. ( feather of Dinosarus has modified in their function for the birds)
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