Match the type of natural selection with the correctexample.

a) tall giraffes and short giraffes are prominent but averageheight giraffes are rare

b) tall giraffes and short giraffes are rare but average heightgiraffes are common

c) only giraffes with very long necks survive

1.   disruptive selection

2.   stabilizing selection

3.   directional selection

Which of the following is an example of convergentevolution?

a) two populations of birds that evolved from a singlespecies

b) two plant populations that evolved from a single plantspecies

c) two small animal populations that developed in differentcontinents but share long floppy ears in common

d) two individuals that built their musculature at the same gymso they could compete against each other

Which of the following is NOT a key principle of naturalselection?

a) Characteristics of organisms are inherited

b) More offspring are produced than are able to survive

c) Offspring vary among each other in regard to theircharacteristics

d) All offspring will survive if they help each other out duringrough times

With natural selection, generally, the longer an organism lives,the more reproductive opportunities it will have. TRUE OR FALSE

With natural selection, generally, more organisms will existwith the same favorable trait than the previous generation. TRUE ORFALSE

All bacteria are harmful because they cause disease. TRUE ORFALSE

All protists are harmful because they pollute rivers and lakes.TRUE OR FALSE

Which of the following is an example of a dimorphicorganism?

a) Mold growing on the surface of a food and yeast growinginside an infected person--both from the same organism.

b) Bipolar disorder in humans expressing two personalitytraits

c) Two appearances of a microscopic organism depending onwhether you are looking a the top of the cell or the bottom

d) An organism like the butterfly that has a wormlike, larvaestage and a winged, insect stage.