Multiple Choice
Of 1,000 Colorado beetle eggs, 700 are killed by predatory bugs. Of the resultant 300 larvae, 200 are eaten by birds. Of the resultant 100 pupae, 60 are killed by shrews, leaving 40 adults. What is the percent indispensable mortality at the larval stage?
A) 4
B) 8
C) 60
D) 66.6
E) 88
Correct Answer:
Verified
Correct Answer:
Verified
Q7: According to the environmental stress hypothesis the
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Q9: Which of the following exert bottom-up control?<br>A)
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Q16: A trophic cascade implies the presence of<br>A)
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