In an experimental study that investigates the effects of stress on heart rate in middle-aged men, the dependent variable would be Group of answer choices stress. heart rate. age. gender.

In some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. the production of sterile male ligers is an example of read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. the production of sterile male ligers is an example of a postzygotic barrier the founder effect sympatric speciation a prezygotic barrier

Which factors slowed population growth in china until the 1300? a. one child policy. b. urbanization c. epidemics. d. warfare

Lance, a hacker, stole 15,000 credit card numbers and sold them on the black mar-ket, making millions. police caught lance, and two legal actions followed, one civil and one criminal. who will be responsible for bringing the civil case? what will be the outcome if the jury believes that lance was responsible for identity thefts? who will be responsible for bringing the criminal case? what will be the outcome if the jury believes that lance stole the numbers?