Photosynthesis takes place in this organelle: (enter your number choice):

MATCH one of the chapter terms to the definition below: Cell with a central control structure, called the nucleus, which contains the cell’s DNA. (enter your number choice):

MATCH one of the chapter terms to the definition below: The genes that an organism carries for a particular trait. (enter your number choice):

Scientists studied a rattlesnake population from 1972 through 2002.  No snakes moved into or out of the population during this time.    What most likely happened between 1992 and 2002? 

IDENTIFY the organelle in which the Electron Transport takes place: (enter your number choice):

Which of the following equations correctly sums up the overall process of photosynthesis?

MATCH one of the chapter terms to the definition below: Describes cells that have two copies of each chromosome. (enter your number choice):

MATCH one of the chapter terms to the definition below: Experimental subjects do not know which treatment (if any) they are receiving. (enter your number choice):

MATCH one of the chapter terms to the definition below: A molecule made up of two or more elements. (enter your number choice):

A scientist wants to know how a certain fertilizer affects the growth of tomato plants growing in two different soils. What conclusion can be drawn from the graph shown here?