Reference no: EM1385598

1) the wing of a bat and the wing of a bird

    a) are homologous traits

    b) arose through convergent evolution

    c) resulted from horizontal transfer between birds and mammals

    d) b and c are correct

    e) all are correct

2) which period or event came after the ediacaran period

   a) cambrian

   b) archean

   c) great oxygenation event

   d) stromatolite

3) which of the following statements is true?

   a) carbon- 12 is a very unstable isotope

   b) oxygen-18 is a very unstable isotope

   c) intact DNA has been fouind that is more than 100 million years old

   d) Cellular lipids such as sterols have been found that are more than 100 million years old

4) Based on current fossil evidence;

   a) ancestors of whales were likely aquatic before they evolved peg-like teeth or baleen

   b) evolution of baleen forcec ancestors of land mammals to become aquatic

   c) whales and walruses are more recently diverged than whales and dolphins

   d) a and c are correct

   e) b and c are correct

5) Which of the following statements is accurate regarding the evolution of drug resistance in a virus?

   a) the drug cause mutations in the virus that make it resistant

   b) even before the drug is administered, some virions might be resisitant

   c) an individual virion that is exposed to the drug will adapt by becoming resistant: future application of drug will be ineffective       against this virion

   d) all of the above

6) which of the followin is/are criticial for darwin's idea of natural selectino?

a) inividuals vary in their traits

b) natural resources are limited

   c) some individual variation is heritable

   d) all are critical

   e) none are critical

7) Homologous and analogous traits differ because

   a)analogous traits perofrm the same dunction in different species while homologous traits perform a different function

   b)homologus traits arise through convergent evolution while analogous traits do not

   c) analogous traits arise through convergent evolution while homologous traits do not

   d) a and b are correct

   e) a and c are correct

8) which of the followin was not proposed by Darwin?

   a) natural selection

   b) genetic drift

   c) DNA is the hereditary material

   d) a and c

   e) b and c

9) Some of the earliest generally accepted fossils of living organisms are

   a) zircons

   b) stromatolites

   c) yeasts

   d) carbon isotopes

10) what would jean_baptiste lamarck and charles darwin have agreed upon?

   a) one generation can pass on its traits to the next

   b) individual animals and plants can adapt to their environment

   c) life was driven from simplicity to complexity

   d) both a and c

   e) all of the above

   f) none of the above