Multiple Choice
Which of the following is an example of a commensalism?
A) fungi residing in plant roots, such as endomycorrhizae
B) bacteria fixing nitrogen on the roots of some plants
C) rancher ants that protect aphids in exchange for sugar-rich honeydew
D) cattle egrets eating insects stirred up by grazing bison
Correct Answer:

Verified
Correct Answer:
Verified
Q15: Bouchard and Brooks studied the effect of
Q16: According to the island equilibrium model, species
Q17: Use the graph to answer the following
Q18: According to bottom-up and top-down control models
Q19: Determining which of the following would be
Q21: In a particular case of secondary succession,
Q22: Which of the following is a widely
Q23: The principle of competitive exclusion states that
Q24: Using the symbols +, −, and 0
Q25: Use the figure to answer the following