ASAP 10. A study was conducted on the population size of grass eating animals
observed in the Great Plains of the United States. The graph below
shows changes in organism numbers over a 7 year period. Which
statements most likely explains the changes that have occurred over this
7 year period.
200
Number of Organisms
150
100
50
A. The population began to stabilize during year 4.
B. A new predator was introduced to the population during year 2.
C. Between years 1 and 2 an increase occurred due to the emigration
of additional organisms.
D. Between years 3 and 4 there were an equal number of births and
deaths occurring within this population.
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YAT
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