6. Green indicates grass, blue indicates rabbits, and red indicates wolves. The rapid growth in grass shown at the right of the graph is probably due to ________.
In this graph, the factor controlling the population of rabbits is ____________.

9. Which graph shows a population meeting its carrying capacity?

10. The graph above shows the average number of rabbits and coyotes in an area over time. Which conclusion is best supported by these data? The rabbit population obtains energy by consuming young plants.
The coyote population is influenced by the available number of rabbits.
The number of rabbits will decrease during summer months.
The number of coyotes will be greater than the number of rabbits within a ten-year period.

11. Which relationship is best inferred from the graph data?
O   a. As sewage waste increases, oxygen content increases. O   b. As the carp population increases, the whitefish population increases. O   c. As oxygen content decreases, carp population decreases. O   d. As oxygen content decreases, trout population decreases.