For humans, space begins at the point in which everything it needs is artificially provided. true/false

Using the periodic table, determine which material is most likely a good conductor

Environmental differences within ecosystems are generally caused by

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.