Energy flows from a producer, to a moth, to a bat, and then to a rat snake. what level of consumer is the rat snake?

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million

Which nutrient tends to cycle within a single ecosystem?