board
7
2 point
A study was conducted on the population size of primary consumers observed in the Great
Plains of the United States. The graph below shows changes in their population numbers over
a 7 year period
ndar
300-
OK
3
250-
200
sory
150
100-
dio
50-
slp
year
ОООО
Which statements most likely explains the changes in carrying capacity over this 7 year period?
A new source of prey was introduced between years 3 and 4
The primary consumer populations were depleted between years 0 and 2
A new population of primary consumers emigrated between years 0 and 2
The introduction of a new species of primary consumer occurred between years 3 and 4
9
10
