What is feedback? A)a way in which part of a system’s output enters back into the system as input
B)a way in which part of a system’s output is decreased
C)a way in which part of a system’s output is removed from the systems input
D) a way in which part of a system’s output is increased

Secondary succession would most likely be taking place in a(n)

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.