Which of the following statements is true? a. all cells contain at least one tissue. b. organs are made up of cells and tissues. c. only some organs contain cells. d. tissues are made up of organs and cells.

Always use significant figure rules. remember that these rules apply to all numbers that are measurements. a car travels 6 miles north, 3 miles east, and then 2 miles south. what is the distance traveled? a.7 b.11

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.