A 500-gram (g) ball is located on top of a table. Which measurement will the student need to take if he wants to calculate the potential energy of the ball? A. volume of the ball
B. density of the ball
C. vertical distance from the floor to the ball
D. horizontal distance from the ball to the edge of the table

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth