in which type of environment are plants most likely to use a c4 pathway of carbon fixation

Scientific thinking: what clues about biology might road kill provide?

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.

How does the nervous system affect the excretory system?