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If a Grandparent Gives an Alarm Call and Is Always

Question 10

Multiple Choice

If a grandparent gives an alarm call and is always killed but the call saves a grandchild (r = 0.25) by what factor would the alarm call have to increase the grandchild's survival?


A) more than 0.25
B) more than 1.0
C) more than 2.0
D) more than 4.0
E) none of the above

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