As the biological hierarchy is moved through from the kingdom level down to the species level, do organisms... *
A. Vary more and more
B. Become more similar to each other

Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

What materials must dams have to produce electricity, and what must occur?