When a 4-year-old girl suddenly picks up her toy ironing board and plays it like it is an electric guitar, it is likely that she has seen someone playing a real electric guitar in the same manner. thus, she has learned via: ?

How has the immigration of the 1990s affected the social and economic life of the united states?

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 was an important long-term result of the civil war? a a feeling of american nationalism developed. b. industrialism increased in the south. c. differences between social classes declined.