Question 2
Are there meaningful differences in CORT levels between campus and mountain juncos?
(a) Field study (females only)
Plasma corticosterone (ng/ml)
40
35
30
25
20
15
0
Mt Laguna
San Diego
15
(27)
(31)
30
Time postcapt
O No, both groups have the same CORT levels.
Yes, the CORT levels in the mountain population are lower than the CORT levels in the San Diego group
O No, this graph does not show enough information.
O Yes, the CORT levels in the mountain population are higher than the CORT levels in the San Diego group
2 pts