list one organism that has been altered by artificial selection describe how think humans selectively bred this organism. describe two traits that likely changed during selective breeding

Which of the following is an example of negative reinforcement? a.marty knocks over his mother's prize fern so she gives him a time out. b.gwen mows the lawn and her dad takes her out for ice cream. c.tara takes an aspirin, and her headache begins to go away. d. peter comes in late from his lunch and is fired from his job.

In “the first seven years” by bernard malamud, how does sobel’s love of reading contrast with feld’s feelings about education?

Which of the following is not permitted in a roundabout? a. using your turn signal b. following the rules of right-of-way c. driving at the speed limit d. changing lanes