A change in motion means an object is speeding up, slowing down, or changing direction. Did you observe these changes in motion in the collisions?

Select all the true statements about the cosmic microwave background radiation

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. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?