The optimal pH range for most freshwater fishes and invertebrates is

A. 2-6.
B. 6-9.
C. 8-11.
D. 4-6.
E. 2-4.


Answer: B

Biology & Microbiology

You might also like to view...

Once cytoplasmic sensor proteins involved in chemotaxis regulation are phosphorylated, a cascade of other phosphate-transferring mechanisms provide ATP energy to rotate flagella

Indicate whether the statement is true or false.

Biology & Microbiology

Bryophytes are the only group of land plants that produce swimming sperm

A. true B. false

Biology & Microbiology

___________, or water bears, have a reduced coelom and molt. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

Select the best response to the question. ? ?You are caring for a patient who has recently returned home from a trip to Central America and is complaining of stomach cramps and diarrhea. What treatment do you anticipate will be prescribed for the patient?

A) intravenous fluids B) anti-viral agents C) antifungal medications D) antibiotics

Biology & Microbiology