When a cleaner shrimp cleans the mouth of an eel, we see an example of
A) parasitism.
B) commensalism.
C) predation.
D) mutualism.
D
Environmental & Atmospheric Sciences
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A succession of rocks bounded by unconformities:a
period d. bedding plane b. sequence e. ecosystem c. system
Environmental & Atmospheric Sciences
How is the surface water above a deep trench in the ocean floor distorted as a result of the trench?
a. Downward distortion b. Upward distortion c. Sideways distortion d. Vortex distortion e. No distortion
Environmental & Atmospheric Sciences
How long ago did the big bang catalyze the beginning of the universe?
a. 13.7 billion years ago b. 1.37 billion years ago c. 4 billion years ago d. 40 billion years ago
Environmental & Atmospheric Sciences
When solid sodium hydroxide is dissolved in water which of the following species is not present in the solution?
A) NaOH(aq) B) H2O(l) C) OH-(aq) D) None, they are all present.
Environmental & Atmospheric Sciences